12928205376 has 84 divisors (see below), whose sum is σ = 37244796732. Its totient is φ = 4287489024.

The previous prime is 12928205347. The next prime is 12928205383. The reversal of 12928205376 is 67350282921.

12928205376 is a `hidden beast` number, since 1 + 2 + 92 + 8 + 20 + 537 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11273342976 + 1654862400 = 106176^2 + 40680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56506 + ... + 170438.

Almost surely, 2^12928205376 is an apocalyptic number.

12928205376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12928205376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18622398366).

12928205376 is an abundant number, since it is smaller than the sum of its proper divisors (24316591356).

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

12928205376 is a wasteful number, since it uses less digits than its factorization.

12928205376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114148 (or 114135 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 12928205376 in words is "twelve billion, nine hundred twenty-eight million, two hundred five thousand, three hundred seventy-six".