12319445996 has 24 divisors (see below), whose sum is σ = 25328092944. Its totient is φ = 5168998080.

The previous prime is 12319445989. The next prime is 12319446053. The reversal of 12319445996 is 69954491321.

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, 10768175 + ... + 10769318.

It is an arithmetic number, because the mean of its divisors is an integer number (1055337206).

Almost surely, 2^12319445996 is an apocalyptic number.

It is an amenable number.

12319445996 is an abundant number, since it is smaller than the sum of its proper divisors (13008646948).

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

12319445996 is a wasteful number, since it uses less digits than its factorization.

12319445996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21537521 (or 21537519 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 53.

Adding to 12319445996 its sum of digits (53), we get a square (12319446049 = 110993²).

The spelling of 12319445996 in words is "twelve billion, three hundred nineteen million, four hundred forty-five thousand, nine hundred ninety-six".