222120102112212 has 24 divisors (see below), whose sum is σ = 518290416212800. Its totient is φ = 74038580044416.

The previous prime is 222120102112157. The next prime is 222120102112213. The reversal of 222120102112212 is 212211201021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120102112213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181112512 + ... + 182334807.

Almost surely, 2^{222120102112212} is an apocalyptic number.

It is an amenable number.

222120102112212 is an abundant number, since it is smaller than the sum of its proper divisors (296170314100588).

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

222120102112212 is a wasteful number, since it uses less digits than its factorization.

222120102112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363498255 (or 363498253 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222120102112212 its reverse (212211201021222), we get a palindrome (434331303133434).

The spelling of 222120102112212 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred two million, one hundred twelve thousand, two hundred twelve".