12638124168 has 16 divisors (see below), whose sum is σ = 31595310480. Its totient is φ = 4212708048.

The previous prime is 12638124133. The next prime is 12638124199. The reversal of 12638124168 is 86142183621.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 263294230 + ... + 263294277.

It is an arithmetic number, because the mean of its divisors is an integer number (1974706905).

Almost surely, 2^12638124168 is an apocalyptic number.

It is an amenable number.

12638124168 is an abundant number, since it is smaller than the sum of its proper divisors (18957186312).

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

12638124168 is a wasteful number, since it uses less digits than its factorization.

12638124168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526588516 (or 526588512 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The spelling of 12638124168 in words is "twelve billion, six hundred thirty-eight million, one hundred twenty-four thousand, one hundred sixty-eight".