12728727084 has 48 divisors (see below), whose sum is σ = 31487799168. Its totient is φ = 3988201728.

The previous prime is 12728727071. The next prime is 12728727149. The reversal of 12728727084 is 48072782721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120907 + ... + 200189.

It is an arithmetic number, because the mean of its divisors is an integer number (655995816).

Almost surely, 2^12728727084 is an apocalyptic number.

It is an amenable number.

12728727084 is an abundant number, since it is smaller than the sum of its proper divisors (18759072084).

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

12728727084 is a wasteful number, since it uses less digits than its factorization.

12728727084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80094 (or 80092 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 48.

The spelling of 12728727084 in words is "twelve billion, seven hundred twenty-eight million, seven hundred twenty-seven thousand, eighty-four".