222022212100212 has 24 divisors (see below), whose sum is σ = 529074207559296. Its totient is φ = 72432778415488.

The previous prime is 222022212100201. The next prime is 222022212100223. The reversal of 222022212100212 is 212001212220222.

It is an interprime number because it is at equal distance from previous prime (222022212100201) and next prime (222022212100223).

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, 196828201653 + ... + 196828202780.

It is an arithmetic number, because the mean of its divisors is an integer number (22044758648304).

Almost surely, 2^{222022212100212} is an apocalyptic number.

It is an amenable number.

222022212100212 is an abundant number, since it is smaller than the sum of its proper divisors (307051995459084).

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

222022212100212 is a wasteful number, since it uses less digits than its factorization.

222022212100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393656404487 (or 393656404485 counting only the distinct ones).

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

Adding to 222022212100212 its reverse (212001212220222), we get a palindrome (434023424320434).

The spelling of 222022212100212 in words is "two hundred twenty-two trillion, twenty-two billion, two hundred twelve million, one hundred thousand, two hundred twelve".