222202222120212 has 24 divisors (see below), whose sum is σ = 520537476527712. Its totient is φ = 73772318100000.

The previous prime is 222202222120169. The next prime is 222202222120279. The reversal of 222202222120212 is 212021222202222.

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, 36886156039 + ... + 36886162062.

It is an arithmetic number, because the mean of its divisors is an integer number (21689061521988).

Almost surely, 2^{222202222120212} is an apocalyptic number.

It is an amenable number.

222202222120212 is an abundant number, since it is smaller than the sum of its proper divisors (298335254407500).

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

222202222120212 is a wasteful number, since it uses less digits than its factorization.

222202222120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73772318359 (or 73772318357 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222202222120212 its reverse (212021222202222), we get a palindrome (434223444322434).

The spelling of 222202222120212 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twelve".