8911020012 has 24 divisors (see below), whose sum is σ = 20795499312. Its totient is φ = 2969894400.

The previous prime is 8911019987. The next prime is 8911020043. The reversal of 8911020012 is 2100201198.

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, 33312 + ... + 137592.

It is an arithmetic number, because the mean of its divisors is an integer number (866479138).

Almost surely, 2^8911020012 is an apocalyptic number.

It is an amenable number.

8911020012 is an abundant number, since it is smaller than the sum of its proper divisors (11884479300).

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

8911020012 is a wasteful number, since it uses less digits than its factorization.

8911020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111409 (or 111407 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 8911020012 is about 94398.1991989254. The cubic root of 8911020012 is about 2073.2060761376.

The spelling of 8911020012 in words is "eight billion, nine hundred eleven million, twenty thousand, twelve".