21232330032213 has 24 divisors (see below), whose sum is σ = 32289549645600. Its totient is φ = 13407203143584.

The previous prime is 21232330032167. The next prime is 21232330032229. The reversal of 21232330032213 is 31223003323212.

21232330032213 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 2 + 330 + 0 + 322 + 1 + 3 = 666.

It is not a de Polignac number, because 21232330032213 - 2¹⁰ = 21232330031189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232330032233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11596158 + ... + 13301711.

It is an arithmetic number, because the mean of its divisors is an integer number (1345397901900).

Almost surely, 2^{21232330032213} is an apocalyptic number.

It is an amenable number.

21232330032213 is a deficient number, since it is larger than the sum of its proper divisors (11057219613387).

21232330032213 is a wasteful number, since it uses less digits than its factorization.

21232330032213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24902881 (or 24902878 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 21232330032213 its reverse (31223003323212), we get a palindrome (52455333355425).

The spelling of 21232330032213 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirty million, thirty-two thousand, two hundred thirteen".