12102192 has 60 divisors (see below), whose sum is σ = 34109920. Its totient is φ = 4005504.

The previous prime is 12102157. The next prime is 12102199. The reversal of 12102192 is 29120121.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 32793 + ... + 33159.

Almost surely, 2^12102192 is an apocalyptic number.

12102192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12102192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17054960).

12102192 is an abundant number, since it is smaller than the sum of its proper divisors (22007728).

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

12102192 is a wasteful number, since it uses less digits than its factorization.

12102192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 601 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 12102192 is about 3478.8204897637. The cubic root of 12102192 is about 229.5909047942.

The spelling of 12102192 in words is "twelve million, one hundred two thousand, one hundred ninety-two".