12102321996 has 24 divisors (see below), whose sum is σ = 31376390640. Its totient is φ = 4034107296.

The previous prime is 12102321949. The next prime is 12102321997. The reversal of 12102321996 is 69912320121.

12102321996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12102321996.

It is not an unprimeable number, because it can be changed into a prime (12102321997) by changing a digit.

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, 56029161 + ... + 56029376.

It is an arithmetic number, because the mean of its divisors is an integer number (1307349610).

Almost surely, 2^12102321996 is an apocalyptic number.

It is an amenable number.

12102321996 is an abundant number, since it is smaller than the sum of its proper divisors (19274068644).

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

12102321996 is a wasteful number, since it uses less digits than its factorization.

12102321996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112058550 (or 112058542 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 12102321996 in words is "twelve billion, one hundred two million, three hundred twenty-one thousand, nine hundred ninety-six".