12458256156 has 72 divisors (see below), whose sum is σ = 32106001200. Its totient is φ = 4072101120.

The previous prime is 12458256101. The next prime is 12458256157. The reversal of 12458256156 is 65165285421.

12458256156 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 8 + 25 + 615 + 6 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12458256157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 861546 + ... + 875886.

Almost surely, 2^12458256156 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 12458256156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16053000600).

12458256156 is an abundant number, since it is smaller than the sum of its proper divisors (19647745044).

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

12458256156 is a wasteful number, since it uses less digits than its factorization.

12458256156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14819 (or 14814 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The spelling of 12458256156 in words is "twelve billion, four hundred fifty-eight million, two hundred fifty-six thousand, one hundred fifty-six".