202212120112 has 20 divisors (see below), whose sum is σ = 405295845120. Its totient is φ = 97619643968.

The previous prime is 202212120109. The next prime is 202212120161. The reversal of 202212120112 is 211021212202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217900528 + ... + 217901455.

It is an arithmetic number, because the mean of its divisors is an integer number (20264792256).

Almost surely, 2^202212120112 is an apocalyptic number.

It is an amenable number.

202212120112 is an abundant number, since it is smaller than the sum of its proper divisors (203083725008).

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

202212120112 is a wasteful number, since it uses less digits than its factorization.

202212120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435802020 (or 435802014 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202212120112 its reverse (211021212202), we get a palindrome (413233332314).

The spelling of 202212120112 in words is "two hundred two billion, two hundred twelve million, one hundred twenty thousand, one hundred twelve".