12102198 has 32 divisors (see below), whose sum is σ = 26075520. Its totient is φ = 3730560.

The previous prime is 12102157. The next prime is 12102199. The reversal of 12102198 is 89120121.

12102198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5013 + ... + 7023.

It is an arithmetic number, because the mean of its divisors is an integer number (814860).

Almost surely, 2^12102198 is an apocalyptic number.

12102198 is an abundant number, since it is smaller than the sum of its proper divisors (13973322).

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

12102198 is a wasteful number, since it uses less digits than its factorization.

12102198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092.

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

The square root of 12102198 is about 3478.8213521249. The cubic root of 12102198 is about 229.5909427362.

The spelling of 12102198 in words is "twelve million, one hundred two thousand, one hundred ninety-eight".