12168190 has 16 divisors (see below), whose sum is σ = 22495392. Its totient is φ = 4735584.

The previous prime is 12168187. The next prime is 12168223. The reversal of 12168190 is 9186121.

It is a happy number.

It is a super-2 number, since 2×12168190² = 296129695752200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 16074 + ... + 16813.

It is an arithmetic number, because the mean of its divisors is an integer number (1405962).

Almost surely, 2^12168190 is an apocalyptic number.

12168190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12168190 is a deficient number, since it is larger than the sum of its proper divisors (10327202).

12168190 is a wasteful number, since it uses less digits than its factorization.

12168190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32931.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 12168190 is about 3488.2932789546. The cubic root of 12168190 is about 230.0074981803.

It can be divided in two parts, 121681 and 90, that added together give a triangular number (121771 = T₄₉₃).

The spelling of 12168190 in words is "twelve million, one hundred sixty-eight thousand, one hundred ninety".