12 Trianguli is a solitary[10] star located in the northern constellation Triangulum, with an apparent magnitude of 5.37,[2] making it faintly visible to the naked eye under ideal conditions.

The star is situated 160 light years[1] away but is approaching with a heliocentric radial velocity of −24.8 km/s.

[7][6] It is calculated to be about 2.19 Gyr old[6] with a stellar classification of F0 III,[3][4][5][6] making it an F-type giant.

It has 1.6 times the mass of the Sun[2] and shines at 14 times the luminosity of the Sun[2] from its photosphere at an effective temperature of 7,199 K.[2] Together with ι Trianguli and 10 Trianguli, it forms part of the obsolete Triangulum Minus.