12928224816 has 60 divisors (see below), whose sum is σ = 38964238768. Its totient is φ = 3977914752.

The previous prime is 12928224791. The next prime is 12928224823. The reversal of 12928224816 is 61842282921.

12928224816 is a `hidden beast` number, since 1 + 2 + 92 + 82 + 2 + 481 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

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, 3451180 + ... + 3454923.

Almost surely, 2^12928224816 is an apocalyptic number.

12928224816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12928224816 is an abundant number, since it is smaller than the sum of its proper divisors (26036013952).

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

12928224816 is a wasteful number, since it uses less digits than its factorization.

12928224816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906130 (or 6906121 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The spelling of 12928224816 in words is "twelve billion, nine hundred twenty-eight million, two hundred twenty-four thousand, eight hundred sixteen".