2012372172 has 36 divisors (see below), whose sum is σ = 5107958856. Its totient is φ = 668004480.

The previous prime is 2012372123. The next prime is 2012372183. The reversal of 2012372172 is 2712732102.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107298 + ... + 124649.

It is an arithmetic number, because the mean of its divisors is an integer number (141887746).

Almost surely, 2^2012372172 is an apocalyptic number.

It is an amenable number.

2012372172 is an abundant number, since it is smaller than the sum of its proper divisors (3095586684).

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

2012372172 is a wasteful number, since it uses less digits than its factorization.

2012372172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232198 (or 232193 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2012372172 is about 44859.4713745046. The cubic root of 2012372172 is about 1262.5137044162.

The spelling of 2012372172 in words is "two billion, twelve million, three hundred seventy-two thousand, one hundred seventy-two".