12556264034522 has 32 divisors (see below), whose sum is σ = 20715161854464. Its totient is φ = 5671784764800.

The previous prime is 12556264034473. The next prime is 12556264034527. The reversal of 12556264034522 is 22543046265521.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (12556264034527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122137622 + ... + 122240382.

It is an arithmetic number, because the mean of its divisors is an integer number (647348807952).

Almost surely, 2^{12556264034522} is an apocalyptic number.

12556264034522 is a deficient number, since it is larger than the sum of its proper divisors (8158897819942).

12556264034522 is a wasteful number, since it uses less digits than its factorization.

12556264034522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202814.

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 12556264034522 in words is "twelve trillion, five hundred fifty-six billion, two hundred sixty-four million, thirty-four thousand, five hundred twenty-two".