12453261394944 has 44 divisors (see below), whose sum is σ = 33192481877264. Its totient is φ = 4151087130624.

The previous prime is 12453261394919. The next prime is 12453261394979. The reversal of 12453261394944 is 44949316235421.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026894942 + ... + 2026901085.

Almost surely, 2^{12453261394944} is an apocalyptic number.

It is an amenable number.

12453261394944 is an abundant number, since it is smaller than the sum of its proper divisors (20739220482320).

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

12453261394944 is an equidigital number, since it uses as much as digits as its factorization.

12453261394944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053796050 (or 4053796032 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 57.

The spelling of 12453261394944 in words is "twelve trillion, four hundred fifty-three billion, two hundred sixty-one million, three hundred ninety-four thousand, nine hundred forty-four".