22142255531212 has 6 divisors (see below), whose sum is σ = 38748947179628. Its totient is φ = 11071127765604.

The previous prime is 22142255531191. The next prime is 22142255531243. The reversal of 22142255531212 is 21213555224122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2767781941398 + ... + 2767781941405.

Almost surely, 2^{22142255531212} is an apocalyptic number.

It is an amenable number.

22142255531212 is a deficient number, since it is larger than the sum of its proper divisors (16606691648416).

22142255531212 is a wasteful number, since it uses less digits than its factorization.

22142255531212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535563882807 (or 5535563882805 counting only the distinct ones).

The product of its digits is 96000, while the sum is 37.

The spelling of 22142255531212 in words is "twenty-two trillion, one hundred forty-two billion, two hundred fifty-five million, five hundred thirty-one thousand, two hundred twelve".