212330023122 has 24 divisors (see below), whose sum is σ = 493992299376. Its totient is φ = 60665720808.

The previous prime is 212330023039. The next prime is 212330023189. The reversal of 212330023122 is 221320033212.

It is a happy number.

212330023122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361105188 + ... + 361105775.

It is an arithmetic number, because the mean of its divisors is an integer number (20583012474).

Almost surely, 2^212330023122 is an apocalyptic number.

212330023122 is an abundant number, since it is smaller than the sum of its proper divisors (281662276254).

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

212330023122 is a wasteful number, since it uses less digits than its factorization.

212330023122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722210982 (or 722210975 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212330023122 its reverse (221320033212), we get a palindrome (433650056334).

The spelling of 212330023122 in words is "two hundred twelve billion, three hundred thirty million, twenty-three thousand, one hundred twenty-two".