12501616552 has 16 divisors (see below), whose sum is σ = 23441725440. Its totient is φ = 6250489776.

The previous prime is 12501616537. The next prime is 12501616579. The reversal of 12501616552 is 25561610521.

12501616552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258393 + ... + 302935.

It is an arithmetic number, because the mean of its divisors is an integer number (1465107840).

Almost surely, 2^12501616552 is an apocalyptic number.

It is an amenable number.

12501616552 is a deficient number, since it is larger than the sum of its proper divisors (10940108888).

12501616552 is a wasteful number, since it uses less digits than its factorization.

12501616552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79632 (or 79628 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 12501616552 in words is "twelve billion, five hundred one million, six hundred sixteen thousand, five hundred fifty-two".