202112012212 has 24 divisors (see below), whose sum is σ = 385864712352. Its totient is φ = 91865642400.

The previous prime is 202112012203. The next prime is 202112012227. The reversal of 202112012212 is 212210211202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375162 + ... + 1515022.

It is an arithmetic number, because the mean of its divisors is an integer number (16077696348).

Almost surely, 2^202112012212 is an apocalyptic number.

202112012212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202112012212 is a deficient number, since it is larger than the sum of its proper divisors (183752700140).

202112012212 is a wasteful number, since it uses less digits than its factorization.

202112012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172719 (or 172717 counting only the distinct ones).

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

Adding to 202112012212 its reverse (212210211202), we get a palindrome (414322223414).

The spelling of 202112012212 in words is "two hundred two billion, one hundred twelve million, twelve thousand, two hundred twelve".