12927352320 has 120 divisors (see below), whose sum is σ = 44771136696. Its totient is φ = 3447287808.

The previous prime is 12927352307. The next prime is 12927352327. The reversal of 12927352320 is 2325372921.

It is a happy number.

12927352320 is a `hidden beast` number, since 12 + 9 + 273 + 52 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12927352327) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 257502 + ... + 303581.

Almost surely, 2^12927352320 is an apocalyptic number.

12927352320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12927352320 is an abundant number, since it is smaller than the sum of its proper divisors (31843784376).

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

12927352320 is an equidigital number, since it uses as much as digits as its factorization.

12927352320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561112 (or 561093 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 12927352320 in words is "twelve billion, nine hundred twenty-seven million, three hundred fifty-two thousand, three hundred twenty".