2012107091172 has 24 divisors (see below), whose sum is σ = 4736464483296. Its totient is φ = 664766944128.

The previous prime is 2012107091143. The next prime is 2012107091227. The reversal of 2012107091172 is 2711907012102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741926038 + ... + 741928749.

It is an arithmetic number, because the mean of its divisors is an integer number (197352686804).

Almost surely, 2^{2012107091172} is an apocalyptic number.

It is an amenable number.

2012107091172 is an abundant number, since it is smaller than the sum of its proper divisors (2724357392124).

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

2012107091172 is a wasteful number, since it uses less digits than its factorization.

2012107091172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483854907 (or 1483854905 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 33.

The spelling of 2012107091172 in words is "two trillion, twelve billion, one hundred seven million, ninety-one thousand, one hundred seventy-two".