12656410412 has 12 divisors (see below), whose sum is σ = 22149636600. Its totient is φ = 6327942816.

The previous prime is 12656410409. The next prime is 12656410423. The reversal of 12656410412 is 21401465621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77723 + ... + 177069.

It is an arithmetic number, because the mean of its divisors is an integer number (1845803050).

Almost surely, 2^12656410412 is an apocalyptic number.

It is an amenable number.

12656410412 is a deficient number, since it is larger than the sum of its proper divisors (9493226188).

12656410412 is a wasteful number, since it uses less digits than its factorization.

12656410412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131200 (or 131198 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 12656410412 in words is "twelve billion, six hundred fifty-six million, four hundred ten thousand, four hundred twelve".