2021112333212 has 24 divisors (see below), whose sum is σ = 4057251539040. Its totient is φ = 862970955840.

The previous prime is 2021112333203. The next prime is 2021112333223. The reversal of 2021112333212 is 2123332111202.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 134160839 + ... + 134175902.

It is an arithmetic number, because the mean of its divisors is an integer number (169052147460).

Almost surely, 2^{2021112333212} is an apocalyptic number.

It is an amenable number.

2021112333212 is an abundant number, since it is smaller than the sum of its proper divisors (2036139205828).

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

2021112333212 is a wasteful number, since it uses less digits than its factorization.

2021112333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268337021 (or 268337019 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2021112333212 its reverse (2123332111202), we get a palindrome (4144444444414).

The spelling of 2021112333212 in words is "two trillion, twenty-one billion, one hundred twelve million, three hundred thirty-three thousand, two hundred twelve".