12656265024 has 112 divisors (see below), whose sum is σ = 36305337600. Its totient is φ = 3867985920.

The previous prime is 12656265001. The next prime is 12656265049. The reversal of 12656265024 is 42056265621.

12656265024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 354889 + ... + 388919.

It is an arithmetic number, because the mean of its divisors is an integer number (324154800).

Almost surely, 2^12656265024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12656265024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18152668800).

12656265024 is an abundant number, since it is smaller than the sum of its proper divisors (23649072576).

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

12656265024 is a wasteful number, since it uses less digits than its factorization.

12656265024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34208 (or 34198 counting only the distinct ones).

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

The spelling of 12656265024 in words is "twelve billion, six hundred fifty-six million, two hundred sixty-five thousand, twenty-four".