12804557682 has 64 divisors (see below), whose sum is σ = 29597128704. Its totient is φ = 3617360640.

The previous prime is 12804557663. The next prime is 12804557687. The reversal of 12804557682 is 28675540821.

It is not an unprimeable number, because it can be changed into a prime (12804557687) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3402682 + ... + 3406442.

It is an arithmetic number, because the mean of its divisors is an integer number (462455136).

Almost surely, 2^12804557682 is an apocalyptic number.

12804557682 is an abundant number, since it is smaller than the sum of its proper divisors (16792571022).

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

12804557682 is a wasteful number, since it uses less digits than its factorization.

12804557682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 12804557682 in words is "twelve billion, eight hundred four million, five hundred fifty-seven thousand, six hundred eighty-two".