22120112312 has 16 divisors (see below), whose sum is σ = 42155133000. Its totient is φ = 10878743520.

The previous prime is 22120112233. The next prime is 22120112317. The reversal of 22120112312 is 21321102122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120112317) 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, 22663562 + ... + 22664537.

Almost surely, 2^22120112312 is an apocalyptic number.

It is an amenable number.

22120112312 is a deficient number, since it is larger than the sum of its proper divisors (20035020688).

22120112312 is a wasteful number, since it uses less digits than its factorization.

22120112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45328166 (or 45328162 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22120112312 its reverse (21321102122), we get a palindrome (43441214434).

The spelling of 22120112312 in words is "twenty-two billion, one hundred twenty million, one hundred twelve thousand, three hundred twelve".