12385881188 has 6 divisors (see below), whose sum is σ = 21675292086. Its totient is φ = 6192940592.

The previous prime is 12385881169. The next prime is 12385881203. The reversal of 12385881188 is 88118858321.

It can be written as a sum of positive squares in only one way, i.e., 12354767104 + 31114084 = 111152^2 + 5578^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1548235145 + ... + 1548235152.

It is an arithmetic number, because the mean of its divisors is an integer number (3612548681).

Almost surely, 2^12385881188 is an apocalyptic number.

It is an amenable number.

12385881188 is a deficient number, since it is larger than the sum of its proper divisors (9289410898).

12385881188 is a wasteful number, since it uses less digits than its factorization.

12385881188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096470301 (or 3096470299 counting only the distinct ones).

The product of its digits is 983040, while the sum is 53.

The spelling of 12385881188 in words is "twelve billion, three hundred eighty-five million, eight hundred eighty-one thousand, one hundred eighty-eight".