In May 811 Niketas 12 was patrikios and genikos logothetes (Νικήτᾳ, πατρικίῳ καὶ γενικῷ λογοθέτῃ); when the emperor Nikephoros 8 left Constantinople on campaign against the Bulgars, Niketas 12 was instructed to increase taxes on churches and monasteries and to collect tax arrears for the previous eight years from the estates of imperial officials (τοὺς τῶν ἀρχόντων ἀπαιτηθῆναι οἴκους): Theoph. AM 6303. Probably identical with the patrikios Niketas 12 to whom Theodoros 15 (Theodore the Stoudite) addressed a letter in 808; he was a relative of Theodoros 15 (τὴν ἀγχιστείαν); he had held a number of offices over many years and risen to high rank (σε δὲ τὸν εὐσεβέστατον καὶ παμπόθητον ἡμῶν δεσπότην ἀρετὴ ὡς ἀληθῶς καὶ οὗ χάρις τις ἀνήγαγεν ἐν τῷ μεγέθει τοῦ ἀξιώματος, οὐ μὲν οὖν κατά τινα χρόνον καὶ ἐν μίᾳ ἐξουσίᾳ ἀλλὰ διὰ παντὸς καὶ ἐν πολλαῖς ὥσπερ τινὰ χρύσον μεταχειριζομένη καὶ εἰς πάντα ὁντινοῦν κόσμον τῇ εὐσεβεῖ ἡμῶν βασιλείᾳ προβαλλομένη); he was currently in Constantinople deputising for the emperor (οἱ χριστομίμητοι βασιλεῖς ἀντιπρόσωπον τῆς ἑαυτῶν καλοκαγαθίας ἔθεσάν σε ἐν ταύταις ταῖς ἡμέραις τῇδε τῇ βασιλευούσῃ πόλει; i.e. he was probably ek prosopou of the emperor): Theod. Stud., Ep. 27 (addressed Νικήτᾳ πατρικίῳ). He is perhaps to be identified with the patrikios Niketas who sold a property either to Euphrosyne 1 (so Pseudo-Symeon) or to Theoktiste 1 (Theophanes Continuatus) which she then converted into the convent of Ta Gastria: Pseudo-Symeon 628 (ὃν ἐξωνήσατο παρὰ Νικήτα πατρικίου), Theoph. Cont. III 5 (p. 90) (ἦν δὲ τοῦτον ἐξ ἐκείνου τοῦ πατρικίου ἐξωνησαμένη Νικήτα).

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