12376643988 has 48 divisors (see below), whose sum is σ = 30287537280. Its totient is φ = 3926127744.

The previous prime is 12376643969. The next prime is 12376644031. The reversal of 12376643988 is 88934667321.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59443 + ... + 168186.

It is an arithmetic number, because the mean of its divisors is an integer number (630990360).

Almost surely, 2^12376643988 is an apocalyptic number.

It is an amenable number.

12376643988 is an abundant number, since it is smaller than the sum of its proper divisors (17910893292).

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

12376643988 is a wasteful number, since it uses less digits than its factorization.

12376643988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227856 (or 227854 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The spelling of 12376643988 in words is "twelve billion, three hundred seventy-six million, six hundred forty-three thousand, nine hundred eighty-eight".