2172022982812 has 6 divisors (see below), whose sum is σ = 3801040219928. Its totient is φ = 1086011491404.

The previous prime is 2172022982809. The next prime is 2172022982819. The reversal of 2172022982812 is 2182892202712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172022982819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271502872848 + ... + 271502872855.

Almost surely, 2^{2172022982812} is an apocalyptic number.

It is an amenable number.

2172022982812 is a deficient number, since it is larger than the sum of its proper divisors (1629017237116).

2172022982812 is a wasteful number, since it uses less digits than its factorization.

2172022982812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543005745707 (or 543005745705 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 2172022982812 in words is "two trillion, one hundred seventy-two billion, twenty-two million, nine hundred eighty-two thousand, eight hundred twelve".