21132212303004 has 24 divisors (see below), whose sum is σ = 53791085862528. Its totient is φ = 6403700697840.

The previous prime is 21132212302987. The next prime is 21132212303039. The reversal of 21132212303004 is 40030321223112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80046258592 + ... + 80046258855.

It is an arithmetic number, because the mean of its divisors is an integer number (2241295244272).

Almost surely, 2^{21132212303004} is an apocalyptic number.

It is an amenable number.

21132212303004 is an abundant number, since it is smaller than the sum of its proper divisors (32658873559524).

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

21132212303004 is a wasteful number, since it uses less digits than its factorization.

21132212303004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160092517465 (or 160092517463 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21132212303004 its reverse (40030321223112), we get a palindrome (61162533526116).

The spelling of 21132212303004 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred twelve million, three hundred three thousand, four".