12168218 has 8 divisors (see below), whose sum is σ = 18334848. Its totient is φ = 6056604.

The previous prime is 12168187. The next prime is 12168223. The reversal of 12168218 is 81286121.

12168218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13196 + ... + 14087.

It is an arithmetic number, because the mean of its divisors is an integer number (2291856).

Almost surely, 2^12168218 is an apocalyptic number.

12168218 is a deficient number, since it is larger than the sum of its proper divisors (6166630).

12168218 is a wasteful number, since it uses less digits than its factorization.

12168218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27508.

The product of its digits is 1536, while the sum is 29.

The square root of 12168218 is about 3488.2972923763. The cubic root of 12168218 is about 230.0076746021.

The spelling of 12168218 in words is "twelve million, one hundred sixty-eight thousand, two hundred eighteen".