12525012640264 has 32 divisors (see below), whose sum is σ = 24511870897920. Its totient is φ = 5988656209536.

The previous prime is 12525012640247. The next prime is 12525012640277. The reversal of 12525012640264 is 46204621052521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8199357 + ... + 9606220.

It is an arithmetic number, because the mean of its divisors is an integer number (765995965560).

Almost surely, 2^{12525012640264} is an apocalyptic number.

It is an amenable number.

12525012640264 is a deficient number, since it is larger than the sum of its proper divisors (11986858257656).

12525012640264 is a wasteful number, since it uses less digits than its factorization.

12525012640264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17809429 (or 17809425 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 12525012640264 its reverse (46204621052521), we get a palindrome (58729633692785).

The spelling of 12525012640264 in words is "twelve trillion, five hundred twenty-five billion, twelve million, six hundred forty thousand, two hundred sixty-four".