22012001012112 has 20 divisors (see below), whose sum is σ = 56864335948080. Its totient is φ = 7337333670688.

The previous prime is 22012001012077. The next prime is 22012001012123. The reversal of 22012001012112 is 21121010021022.

It is a junction number, because it is equal to n+sod(n) for n = 22012001012091 and 22012001012100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229291677162 + ... + 229291677257.

It is an arithmetic number, because the mean of its divisors is an integer number (2843216797404).

Almost surely, 2^{22012001012112} is an apocalyptic number.

It is an amenable number.

22012001012112 is an abundant number, since it is smaller than the sum of its proper divisors (34852334935968).

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

22012001012112 is a wasteful number, since it uses less digits than its factorization.

22012001012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458583354430 (or 458583354424 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22012001012112 its reverse (21121010021022), we get a palindrome (43133011033134).

The spelling of 22012001012112 in words is "twenty-two trillion, twelve billion, one million, twelve thousand, one hundred twelve".