12188107930 has 16 divisors (see below), whose sum is σ = 22007806920. Its totient is φ = 4859862592.

The previous prime is 12188107927. The next prime is 12188107961. The reversal of 12188107930 is 3970188121.

It can be written as a sum of positive squares in 4 ways, for example, as 5498667409 + 6689440521 = 74153^2 + 81789^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1919245 + ... + 1925584.

Almost surely, 2^12188107930 is an apocalyptic number.

12188107930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12188107930 is a deficient number, since it is larger than the sum of its proper divisors (9819698990).

12188107930 is a wasteful number, since it uses less digits than its factorization.

12188107930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845153.

The product of its (nonzero) digits is 24192, while the sum is 40.

The spelling of 12188107930 in words is "twelve billion, one hundred eighty-eight million, one hundred seven thousand, nine hundred thirty".