800118012 has 12 divisors (see below), whose sum is σ = 1866942056. Its totient is φ = 266706000.

The previous prime is 800117959. The next prime is 800118017. The reversal of 800118012 is 210811008.

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

It is a self number, because there is not a number n which added to its sum of digits gives 800118012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800118017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33338239 + ... + 33338262.

Almost surely, 2^800118012 is an apocalyptic number.

It is an amenable number.

800118012 is an abundant number, since it is smaller than the sum of its proper divisors (1066824044).

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

800118012 is a wasteful number, since it uses less digits than its factorization.

800118012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66676508 (or 66676506 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 800118012 is about 28286.3573476685. The cubic root of 800118012 is about 928.3634114100.

The spelling of 800118012 in words is "eight hundred million, one hundred eighteen thousand, twelve".