201232122222 has 64 divisors (see below), whose sum is σ = 429224894784. Its totient is φ = 62800220160.

The previous prime is 201232122193. The next prime is 201232122239. The reversal of 201232122222 is 222221232102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513018 + ... + 815874.

It is an arithmetic number, because the mean of its divisors is an integer number (6706638981).

Almost surely, 2^201232122222 is an apocalyptic number.

201232122222 is an abundant number, since it is smaller than the sum of its proper divisors (227992772562).

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

201232122222 is a wasteful number, since it uses less digits than its factorization.

201232122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303013.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 201232122222 its reverse (222221232102), we get a palindrome (423453354324).

The spelling of 201232122222 in words is "two hundred one billion, two hundred thirty-two million, one hundred twenty-two thousand, two hundred twenty-two".