22012212122192 has 20 divisors (see below), whose sum is σ = 42664700430240. Its totient is φ = 11001966849888.

The previous prime is 22012212122191. The next prime is 22012212122267. The reversal of 22012212122192 is 29122121221022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012212122191) 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, 258656828 + ... + 258741915.

It is an arithmetic number, because the mean of its divisors is an integer number (2133235021512).

Almost surely, 2^{22012212122192} is an apocalyptic number.

It is an amenable number.

22012212122192 is a deficient number, since it is larger than the sum of its proper divisors (20652488308048).

22012212122192 is a wasteful number, since it uses less digits than its factorization.

22012212122192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517401410 (or 517401404 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 22012212122192 in words is "twenty-two trillion, twelve billion, two hundred twelve million, one hundred twenty-two thousand, one hundred ninety-two".