12804319185 has 32 divisors (see below), whose sum is σ = 23418216192. Its totient is φ = 5852252160.

The previous prime is 12804319169. The next prime is 12804319189. The reversal of 12804319185 is 58191340821.

It is not a de Polignac number, because 12804319185 - 2⁴ = 12804319169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12804319189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 760377 + ... + 777033.

It is an arithmetic number, because the mean of its divisors is an integer number (731819256).

Almost surely, 2^12804319185 is an apocalyptic number.

12804319185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12804319185 is a deficient number, since it is larger than the sum of its proper divisors (10613897007).

12804319185 is a wasteful number, since it uses less digits than its factorization.

12804319185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23993.

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 12804319185 in words is "twelve billion, eight hundred four million, three hundred nineteen thousand, one hundred eighty-five".