212013233321 has 16 divisors (see below), whose sum is σ = 220414296960. Its totient is φ = 203686680960.

The previous prime is 212013233303. The next prime is 212013233359. The reversal of 212013233321 is 123332310212.

It is a cyclic number.

It is not a de Polignac number, because 212013233321 - 2³⁴ = 194833364137 is a prime.

It is a super-2 number, since 2×212013233321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212013230321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6718901 + ... + 6750381.

It is an arithmetic number, because the mean of its divisors is an integer number (13775893560).

Almost surely, 2^212013233321 is an apocalyptic number.

It is an amenable number.

212013233321 is a deficient number, since it is larger than the sum of its proper divisors (8401063639).

212013233321 is a wasteful number, since it uses less digits than its factorization.

212013233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32656.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212013233321 its reverse (123332310212), we get a palindrome (335345543533).

The spelling of 212013233321 in words is "two hundred twelve billion, thirteen million, two hundred thirty-three thousand, three hundred twenty-one".