222122120120212 has 12 divisors (see below), whose sum is σ = 418614764842036. Its totient is φ = 102517901593920.

The previous prime is 222122120120189. The next prime is 222122120120213. The reversal of 222122120120212 is 212021021221222.

It can be written as a sum of positive squares in 2 ways, for example, as 28370920462096 + 193751199658116 = 5326436^2 + 13919454^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122120120213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2135789616489 + ... + 2135789616592.

Almost surely, 2^{222122120120212} is an apocalyptic number.

It is an amenable number.

222122120120212 is a deficient number, since it is larger than the sum of its proper divisors (196492644721824).

222122120120212 is a wasteful number, since it uses less digits than its factorization.

222122120120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271579233098 (or 4271579233096 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222122120120212 its reverse (212021021221222), we get a palindrome (434143141341434).

The spelling of 222122120120212 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty thousand, two hundred twelve".