12175844868 has 72 divisors (see below), whose sum is σ = 34144961760. Its totient is φ = 3627106560.

The previous prime is 12175844867. The next prime is 12175844897. The reversal of 12175844868 is 86844857121.

12175844868 is a `hidden beast` number, since 1 + 2 + 17 + 584 + 48 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (12175844867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237205 + ... + 283932.

It is an arithmetic number, because the mean of its divisors is an integer number (474235580).

Almost surely, 2^12175844868 is an apocalyptic number.

12175844868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12175844868 is an abundant number, since it is smaller than the sum of its proper divisors (21969116892).

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

12175844868 is a wasteful number, since it uses less digits than its factorization.

12175844868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521217 (or 521212 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The spelling of 12175844868 in words is "twelve billion, one hundred seventy-five million, eight hundred forty-four thousand, eight hundred sixty-eight".