22012232120 has 32 divisors (see below), whose sum is σ = 50366977200. Its totient is φ = 8655656448.

The previous prime is 22012232119. The next prime is 22012232159. The reversal of 22012232120 is 2123221022.

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, 4661249 + ... + 4665968.

Almost surely, 2^22012232120 is an apocalyptic number.

22012232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012232120 is an abundant number, since it is smaller than the sum of its proper divisors (28354745080).

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

22012232120 is a wasteful number, since it uses less digits than its factorization.

22012232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9327287 (or 9327283 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22012232120 its reverse (2123221022), we get a palindrome (24135453142).

The spelling of 22012232120 in words is "twenty-two billion, twelve million, two hundred thirty-two thousand, one hundred twenty".