2162808012 has 12 divisors (see below), whose sum is σ = 5046552056. Its totient is φ = 720936000.

The previous prime is 2162808007. The next prime is 2162808029. The reversal of 2162808012 is 2108082612.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90116989 + ... + 90117012.

Almost surely, 2^2162808012 is an apocalyptic number.

It is an amenable number.

2162808012 is an abundant number, since it is smaller than the sum of its proper divisors (2883744044).

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

2162808012 is a wasteful number, since it uses less digits than its factorization.

2162808012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180234008 (or 180234006 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 2162808012 is about 46505.9997419688. Note that the first 3 decimals coincide. The cubic root of 2162808012 is about 1293.2207268725.

The spelling of 2162808012 in words is "two billion, one hundred sixty-two million, eight hundred eight thousand, twelve".