21132232120332 has 120 divisors (see below), whose sum is σ = 57819897687552. Its totient is φ = 6717456424800.

The previous prime is 21132232120331. The next prime is 21132232120429. The reversal of 21132232120332 is 23302123223112.

21132232120332 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 2 + 2 + 321 + 2 + 0 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 21132232120296 and 21132232120305.

It is not an unprimeable number, because it can be changed into a prime (21132232120331) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1817044 + ... + 6750267.

Almost surely, 2^{21132232120332} is an apocalyptic number.

It is an amenable number.

21132232120332 is an abundant number, since it is smaller than the sum of its proper divisors (36687665567220).

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

21132232120332 is a wasteful number, since it uses less digits than its factorization.

21132232120332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8567681 (or 8567670 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21132232120332 its reverse (23302123223112), we get a palindrome (44434355343444).

The spelling of 21132232120332 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred thirty-two million, one hundred twenty thousand, three hundred thirty-two".