21152360325412 has 48 divisors (see below), whose sum is σ = 37773641146752. Its totient is φ = 10362262959360.

The previous prime is 21152360325403. The next prime is 21152360325463. The reversal of 21152360325412 is 21452306325112.

It is a happy number.

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, 26767153 + ... + 27546055.

It is an arithmetic number, because the mean of its divisors is an integer number (786950857224).

Almost surely, 2^{21152360325412} is an apocalyptic number.

It is an amenable number.

21152360325412 is a deficient number, since it is larger than the sum of its proper divisors (16621280821340).

21152360325412 is a wasteful number, since it uses less digits than its factorization.

21152360325412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779668 (or 779666 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 21152360325412 in words is "twenty-one trillion, one hundred fifty-two billion, three hundred sixty million, three hundred twenty-five thousand, four hundred twelve".