12564457145002 has 16 divisors (see below), whose sum is σ = 22672704623040. Its totient is φ = 5101358539968.

The previous prime is 12564457144961. The next prime is 12564457145027. The reversal of 12564457145002 is 20054175446521.

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, 23617400383 + ... + 23617400914.

It is an arithmetic number, because the mean of its divisors is an integer number (1417044038940).

Almost surely, 2^{12564457145002} is an apocalyptic number.

12564457145002 is a deficient number, since it is larger than the sum of its proper divisors (10108247478038).

12564457145002 is a wasteful number, since it uses less digits than its factorization.

12564457145002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47234801325.

The product of its (nonzero) digits is 1344000, while the sum is 46.

The spelling of 12564457145002 in words is "twelve trillion, five hundred sixty-four billion, four hundred fifty-seven million, one hundred forty-five thousand, two".