202112221012 has 48 divisors (see below), whose sum is σ = 382271579200. Its totient is φ = 92948083200.

The previous prime is 202112221007. The next prime is 202112221027. The reversal of 202112221012 is 210122211202.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 23665039 + ... + 23673577.

Almost surely, 2^202112221012 is an apocalyptic number.

It is an amenable number.

202112221012 is a deficient number, since it is larger than the sum of its proper divisors (180159358188).

202112221012 is a wasteful number, since it uses less digits than its factorization.

202112221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10136 (or 10134 counting only the distinct ones).

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

Adding to 202112221012 its reverse (210122211202), we get a palindrome (412234432214).

The spelling of 202112221012 in words is "two hundred two billion, one hundred twelve million, two hundred twenty-one thousand, twelve".