12455252656620 has 48 divisors (see below), whose sum is σ = 34879487985888. Its totient is φ = 3320945418240.

The previous prime is 12455252656619. The next prime is 12455252656703. The reversal of 12455252656620 is 2665625255421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13786351 + ... + 14661990.

It is an arithmetic number, because the mean of its divisors is an integer number (726655999706).

Almost surely, 2^{12455252656620} is an apocalyptic number.

12455252656620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12455252656620 is an abundant number, since it is smaller than the sum of its proper divisors (22424235329268).

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

12455252656620 is a wasteful number, since it uses less digits than its factorization.

12455252656620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28455650 (or 28455648 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 51.

The spelling of 12455252656620 in words is "twelve trillion, four hundred fifty-five billion, two hundred fifty-two million, six hundred fifty-six thousand, six hundred twenty".