12531402652 has 24 divisors (see below), whose sum is σ = 23183269200. Its totient is φ = 5910443136.

The previous prime is 12531402649. The next prime is 12531402703. The reversal of 12531402652 is 25620413521.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 336127 + ... + 371542.

It is an arithmetic number, because the mean of its divisors is an integer number (965969550).

Almost surely, 2^12531402652 is an apocalyptic number.

It is an amenable number.

12531402652 is a deficient number, since it is larger than the sum of its proper divisors (10651866548).

12531402652 is a wasteful number, since it uses less digits than its factorization.

12531402652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707925 (or 707923 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 12531402652 in words is "twelve billion, five hundred thirty-one million, four hundred two thousand, six hundred fifty-two".