12252451612156 has 96 divisors (see below), whose sum is σ = 25898371752960. Its totient is φ = 4954706786304.

The previous prime is 12252451612091. The next prime is 12252451612189. The reversal of 12252451612156 is 65121615425221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160151745 + ... + 160228231.

It is an arithmetic number, because the mean of its divisors is an integer number (269774705760).

Almost surely, 2^{12252451612156} 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 12252451612156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12949185876480).

12252451612156 is an abundant number, since it is smaller than the sum of its proper divisors (13645920140804).

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

12252451612156 is a wasteful number, since it uses less digits than its factorization.

12252451612156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77723 (or 77721 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The spelling of 12252451612156 in words is "twelve trillion, two hundred fifty-two billion, four hundred fifty-one million, six hundred twelve thousand, one hundred fifty-six".