12695597372 has 12 divisors (see below), whose sum is σ = 22243165560. Its totient is φ = 6340407216.

The previous prime is 12695597303. The next prime is 12695597407. The reversal of 12695597372 is 27379559621.

It is a super-2 number, since 2×12695597372² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1844003 + ... + 1850874.

It is an arithmetic number, because the mean of its divisors is an integer number (1853597130).

Almost surely, 2^12695597372 is an apocalyptic number.

It is an amenable number.

12695597372 is a deficient number, since it is larger than the sum of its proper divisors (9547568188).

12695597372 is a wasteful number, since it uses less digits than its factorization.

12695597372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695740 (or 3695738 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 56.

The spelling of 12695597372 in words is "twelve billion, six hundred ninety-five million, five hundred ninety-seven thousand, three hundred seventy-two".