12928323776 has 28 divisors (see below), whose sum is σ = 25664586720. Its totient is φ = 6461656320.

The previous prime is 12928323721. The next prime is 12928323787. The reversal of 12928323776 is 67732382921.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133130 + ... + 208758.

Almost surely, 2^12928323776 is an apocalyptic number.

12928323776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12928323776 is a deficient number, since it is larger than the sum of its proper divisors (12736262944).

12928323776 is an equidigital number, since it uses as much as digits as its factorization.

12928323776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78312 (or 78302 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The spelling of 12928323776 in words is "twelve billion, nine hundred twenty-eight million, three hundred twenty-three thousand, seven hundred seventy-six".