12107889920 has 72 divisors (see below), whose sum is σ = 33145373184. Its totient is φ = 4151273472.

The previous prime is 12107889877. The next prime is 12107889943. The reversal of 12107889920 is 2998870121.

12107889920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666704 + ... + 684623.

Almost surely, 2^12107889920 is an apocalyptic number.

12107889920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12107889920 is an abundant number, since it is smaller than the sum of its proper divisors (21037483264).

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

12107889920 is an equidigital number, since it uses as much as digits as its factorization.

12107889920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351355 (or 1351341 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 12107889920 in words is "twelve billion, one hundred seven million, eight hundred eighty-nine thousand, nine hundred twenty".