202222212100212 has 24 divisors (see below), whose sum is σ = 478315551910336. Its totient is φ = 66484014936768.

The previous prime is 202222212100157. The next prime is 202222212100231. The reversal of 202222212100212 is 212001212222202.

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, 115423636168 + ... + 115423637919.

Almost surely, 2^{202222212100212} is an apocalyptic number.

It is an amenable number.

202222212100212 is an abundant number, since it is smaller than the sum of its proper divisors (276093339810124).

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

202222212100212 is a wasteful number, since it uses less digits than its factorization.

202222212100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230847274167 (or 230847274165 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202222212100212 its reverse (212001212222202), we get a palindrome (414223424322414).

The spelling of 202222212100212 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred twelve million, one hundred thousand, two hundred twelve".