12189108162 has 32 divisors (see below), whose sum is σ = 30393621504. Its totient is φ = 3166002000.

The previous prime is 12189108149. The next prime is 12189108181. The reversal of 12189108162 is 26180198121.

It is a self number, because there is not a number n which added to its sum of digits gives 12189108162.

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, 13191214 + ... + 13192137.

It is an arithmetic number, because the mean of its divisors is an integer number (949800672).

Almost surely, 2^12189108162 is an apocalyptic number.

12189108162 is an abundant number, since it is smaller than the sum of its proper divisors (18204513342).

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

12189108162 is a wasteful number, since it uses less digits than its factorization.

12189108162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26383374.

The product of its (nonzero) digits is 13824, while the sum is 39.

The spelling of 12189108162 in words is "twelve billion, one hundred eighty-nine million, one hundred eight thousand, one hundred sixty-two".