21180124532322 has 96 divisors (see below), whose sum is σ = 55212521070720. Its totient is φ = 5732324121600.

The previous prime is 21180124532321. The next prime is 21180124532393. The reversal of 21180124532322 is 22323542108112.

21180124532322 is a `hidden beast` number, since 2 + 1 + 1 + 80 + 1 + 24 + 532 + 3 + 22 = 666.

It is not an unprimeable number, because it can be changed into a prime (21180124532321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21086322 + ... + 22067922.

It is an arithmetic number, because the mean of its divisors is an integer number (575130427820).

Almost surely, 2^{21180124532322} is an apocalyptic number.

21180124532322 is an abundant number, since it is smaller than the sum of its proper divisors (34032396538398).

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

21180124532322 is a wasteful number, since it uses less digits than its factorization.

21180124532322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990648 (or 990645 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 21180124532322 in words is "twenty-one trillion, one hundred eighty billion, one hundred twenty-four million, five hundred thirty-two thousand, three hundred twenty-two".