12565256752 has 20 divisors (see below), whose sum is σ = 24581549200. Its totient is φ = 6221631168.

The previous prime is 12565256741. The next prime is 12565256761. The reversal of 12565256752 is 25765256521.

12565256752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3810627 + ... + 3813922.

It is an arithmetic number, because the mean of its divisors is an integer number (1229077460).

Almost surely, 2^12565256752 is an apocalyptic number.

It is an amenable number.

12565256752 is a deficient number, since it is larger than the sum of its proper divisors (12016292448).

12565256752 is a wasteful number, since it uses less digits than its factorization.

12565256752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624660 (or 7624654 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 46.

The spelling of 12565256752 in words is "twelve billion, five hundred sixty-five million, two hundred fifty-six thousand, seven hundred fifty-two".