12568464712 has 16 divisors (see below), whose sum is σ = 23646305340. Its totient is φ = 6262783296.

The previous prime is 12568464691. The next prime is 12568464737. The reversal of 12568464712 is 21746486521.

It can be written as a sum of positive squares in 2 ways, for example, as 9703432036 + 2865032676 = 98506^2 + 53526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2678643 + ... + 2683330.

Almost surely, 2^12568464712 is an apocalyptic number.

It is an amenable number.

12568464712 is a deficient number, since it is larger than the sum of its proper divisors (11077840628).

12568464712 is a wasteful number, since it uses less digits than its factorization.

12568464712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5362272 (or 5362268 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The spelling of 12568464712 in words is "twelve billion, five hundred sixty-eight million, four hundred sixty-four thousand, seven hundred twelve".