12320989616 has 30 divisors (see below), whose sum is σ = 25849478340. Its totient is φ = 5686609344.

The previous prime is 12320989601. The next prime is 12320989651. The reversal of 12320989616 is 61698902321.

12320989616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 2275586 + ... + 2280993.

It is an arithmetic number, because the mean of its divisors is an integer number (861649278).

Almost surely, 2^12320989616 is an apocalyptic number.

12320989616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12320989616 is an abundant number, since it is smaller than the sum of its proper divisors (13528488724).

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

12320989616 is a wasteful number, since it uses less digits than its factorization.

12320989616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4556613 (or 4556594 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 12320989616 in words is "twelve billion, three hundred twenty million, nine hundred eighty-nine thousand, six hundred sixteen".