12499999972052 has 12 divisors (see below), whose sum is σ = 21958174857696. Its totient is φ = 6226235727000.

The previous prime is 12499999972039. The next prime is 12499999972063. The reversal of 12499999972052 is 25027999999421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5941063574 + ... + 5941065677.

It is an arithmetic number, because the mean of its divisors is an integer number (1829847904808).

Almost surely, 2^{12499999972052} is an apocalyptic number.

It is an amenable number.

12499999972052 is a deficient number, since it is larger than the sum of its proper divisors (9458174885644).

12499999972052 is a wasteful number, since it uses less digits than its factorization.

12499999972052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11882129518 (or 11882129516 counting only the distinct ones).

The product of its (nonzero) digits is 595213920, while the sum is 77.

The spelling of 12499999972052 in words is "twelve trillion, four hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred seventy-two thousand, fifty-two".