12504660564 has 24 divisors (see below), whose sum is σ = 31830045408. Its totient is φ = 3789291040.

The previous prime is 12504660559. The next prime is 12504660599. The reversal of 12504660564 is 46506640521.

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, 47366007 + ... + 47366270.

It is an arithmetic number, because the mean of its divisors is an integer number (1326251892).

Almost surely, 2^12504660564 is an apocalyptic number.

It is an amenable number.

12504660564 is an abundant number, since it is smaller than the sum of its proper divisors (19325384844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12504660564 is a wasteful number, since it uses less digits than its factorization.

12504660564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94732295 (or 94732293 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 12504660564 in words is "twelve billion, five hundred four million, six hundred sixty thousand, five hundred sixty-four".