12189942375 has 64 divisors (see below), whose sum is σ = 21873825792. Its totient is φ = 5993116800.

The previous prime is 12189942371. The next prime is 12189942379. The reversal of 12189942375 is 57324998121.

It is an interprime number because it is at equal distance from previous prime (12189942371) and next prime (12189942379).

It is not a de Polignac number, because 12189942375 - 2² = 12189942371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12189942371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5375992 + ... + 5378258.

It is an arithmetic number, because the mean of its divisors is an integer number (341778528).

Almost surely, 2^12189942375 is an apocalyptic number.

12189942375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12189942375 is a deficient number, since it is larger than the sum of its proper divisors (9683883417).

12189942375 is a wasteful number, since it uses less digits than its factorization.

12189942375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401 (or 3391 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The spelling of 12189942375 in words is "twelve billion, one hundred eighty-nine million, nine hundred forty-two thousand, three hundred seventy-five".