22012130122112 has 128 divisors (see below), whose sum is σ = 50978100600000. Its totient is φ = 9382635085824.

The previous prime is 22012130122111. The next prime is 22012130122117. The reversal of 22012130122112 is 21122103121022.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012130122111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8806487 + ... + 11026262.

Almost surely, 2^{22012130122112} is an apocalyptic number.

It is an amenable number.

22012130122112 is an abundant number, since it is smaller than the sum of its proper divisors (28965970477888).

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

22012130122112 is a wasteful number, since it uses less digits than its factorization.

22012130122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19832828 (or 19832816 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 22012130122112 its reverse (21122103121022), we get a palindrome (43134233243134).

The spelling of 22012130122112 in words is "twenty-two trillion, twelve billion, one hundred thirty million, one hundred twenty-two thousand, one hundred twelve".