12189102 has 32 divisors (see below), whose sum is σ = 26181792. Its totient is φ = 3769344.

The previous prime is 12189097. The next prime is 12189139. The reversal of 12189102 is 20198121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6628 + ... + 8264.

It is an arithmetic number, because the mean of its divisors is an integer number (818181).

Almost surely, 2^12189102 is an apocalyptic number.

12189102 is an abundant number, since it is smaller than the sum of its proper divisors (13992690).

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

12189102 is a wasteful number, since it uses less digits than its factorization.

12189102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 12189102 is about 3491.2894466085. The cubic root of 12189102 is about 230.1391848162.

The spelling of 12189102 in words is "twelve million, one hundred eighty-nine thousand, one hundred two".