100012920912 has 80 divisors (see below), whose sum is σ = 287112367680. Its totient is φ = 33333199488.

The previous prime is 100012920901. The next prime is 100012920913. The reversal of 100012920912 is 219029210001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012920913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5571183 + ... + 5589105.

It is an arithmetic number, because the mean of its divisors is an integer number (3588904596).

Almost surely, 2^100012920912 is an apocalyptic number.

100012920912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100012920912 is an abundant number, since it is smaller than the sum of its proper divisors (187099446768).

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

100012920912 is a wasteful number, since it uses less digits than its factorization.

100012920912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30857 (or 30845 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 100012920912 in words is "one hundred billion, twelve million, nine hundred twenty thousand, nine hundred twelve".