12320376320 has 80 divisors (see below), whose sum is σ = 33760080288. Its totient is φ = 4224122880.

The previous prime is 12320376319. The next prime is 12320376347. The reversal of 12320376320 is 2367302321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325841 + ... + 361680.

Almost surely, 2^12320376320 is an apocalyptic number.

12320376320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320376320 is an abundant number, since it is smaller than the sum of its proper divisors (21439703968).

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

12320376320 is an frugal number, since it uses more digits than its factorization.

12320376320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687551 (or 687535 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 12320376320 its reverse (2367302321), we get a palindrome (14687678641).

The spelling of 12320376320 in words is "twelve billion, three hundred twenty million, three hundred seventy-six thousand, three hundred twenty".