12768276225 has 12 divisors (see below), whose sum is σ = 21110216816. Its totient is φ = 6809747280.

The previous prime is 12768276193. The next prime is 12768276233. The reversal of 12768276225 is 52267286721.

It is not a de Polignac number, because 12768276225 - 2⁵ = 12768276193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85121767 + ... + 85121916.

Almost surely, 2^12768276225 is an apocalyptic number.

12768276225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12768276225 is a deficient number, since it is larger than the sum of its proper divisors (8341940591).

12768276225 is a wasteful number, since it uses less digits than its factorization.

12768276225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170243696 (or 170243691 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The spelling of 12768276225 in words is "twelve billion, seven hundred sixty-eight million, two hundred seventy-six thousand, two hundred twenty-five".