12102320988 has 18 divisors (see below), whose sum is σ = 30591978144. Its totient is φ = 4034106984.

The previous prime is 12102320969. The next prime is 12102321013. The reversal of 12102320988 is 88902320121.

12102320988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×12102320988² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 336175583 = 12102320988 / (1 + 2 + 1 + 0 + 2 + 3 + 2 + 0 + 9 + 8 + 8).

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 5 ways as a sum of consecutive naturals, for example, 168087756 + ... + 168087827.

Almost surely, 2^12102320988 is an apocalyptic number.

12102320988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12102320988 is an abundant number, since it is smaller than the sum of its proper divisors (18489657156).

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

12102320988 is a wasteful number, since it uses less digits than its factorization.

12102320988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336175593 (or 336175588 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 12102320988 in words is "twelve billion, one hundred two million, three hundred twenty thousand, nine hundred eighty-eight".