12189192184 has 64 divisors (see below), whose sum is σ = 24830245440. Its totient is φ = 5576309760.

The previous prime is 12189192167. The next prime is 12189192209. The reversal of 12189192184 is 48129198121.

It is a Smith number, since the sum of its digits (46) 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, 6370812 + ... + 6372724.

It is an arithmetic number, because the mean of its divisors is an integer number (387972585).

Almost surely, 2^12189192184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12189192184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12415122720).

12189192184 is an abundant number, since it is smaller than the sum of its proper divisors (12641053256).

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

12189192184 is a wasteful number, since it uses less digits than its factorization.

12189192184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440 (or 2436 counting only the distinct ones).

The product of its digits is 82944, while the sum is 46.

The spelling of 12189192184 in words is "twelve billion, one hundred eighty-nine million, one hundred ninety-two thousand, one hundred eighty-four".