12108118 has 8 divisors (see below), whose sum is σ = 19813320. Its totient is φ = 5503680.

The previous prime is 12108113. The next prime is 12108133. The reversal of 12108118 is 81180121.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 550369 = 12108118 / (1 + 2 + 1 + 0 + 8 + 1 + 1 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12108113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275163 + ... + 275206.

It is an arithmetic number, because the mean of its divisors is an integer number (2476665).

Almost surely, 2^12108118 is an apocalyptic number.

12108118 is a deficient number, since it is larger than the sum of its proper divisors (7705202).

12108118 is a wasteful number, since it uses less digits than its factorization.

12108118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550382.

The product of its (nonzero) digits is 128, while the sum is 22.

The square root of 12108118 is about 3479.6721109898. The cubic root of 12108118 is about 229.6283727639.

Adding to 12108118 its reverse (81180121), we get a palindrome (93288239).

The spelling of 12108118 in words is "twelve million, one hundred eight thousand, one hundred eighteen".