21133203212232 has 96 divisors (see below), whose sum is σ = 57265672464000. Its totient is φ = 7040720472192.

The previous prime is 21133203212179. The next prime is 21133203212287. The reversal of 21133203212232 is 23221230233112.

21133203212232 is a `hidden beast` number, since 2 + 1 + 1 + 332 + 0 + 321 + 2 + 2 + 3 + 2 = 666.

It is a super-2 number, since 2×21133203212232² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21133203212196 and 21133203212205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1721359278 + ... + 1721371554.

It is an arithmetic number, because the mean of its divisors is an integer number (596517421500).

Almost surely, 2^{21133203212232} is an apocalyptic number.

It is an amenable number.

21133203212232 is an abundant number, since it is smaller than the sum of its proper divisors (36132469251768).

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

21133203212232 is a wasteful number, since it uses less digits than its factorization.

21133203212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22835 (or 22828 counting only the distinct ones).

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

Adding to 21133203212232 its reverse (23221230233112), we get a palindrome (44354433445344).

The spelling of 21133203212232 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred three million, two hundred twelve thousand, two hundred thirty-two".