2172007933212 has 36 divisors (see below), whose sum is σ = 5487854368920. Its totient is φ = 668310132672.

The previous prime is 2172007933189. The next prime is 2172007933223. The reversal of 2172007933212 is 2123397002712.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535502887 + ... + 535506942.

Almost surely, 2^{2172007933212} is an apocalyptic number.

It is an amenable number.

2172007933212 is an abundant number, since it is smaller than the sum of its proper divisors (3315846435708).

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

2172007933212 is a wasteful number, since it uses less digits than its factorization.

2172007933212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071009862 (or 1071009847 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The spelling of 2172007933212 in words is "two trillion, one hundred seventy-two billion, seven million, nine hundred thirty-three thousand, two hundred twelve".