12118167 has 18 divisors (see below), whose sum is σ = 18186168. Its totient is φ = 8074404.

The previous prime is 12118157. The next prime is 12118177. The reversal of 12118167 is 76181121.

It is an interprime number because it is at equal distance from previous prime (12118157) and next prime (12118177).

It is not a de Polignac number, because 12118167 - 2⁶ = 12118103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12118167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12118157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5638 + ... + 7484.

Almost surely, 2^12118167 is an apocalyptic number.

12118167 is a deficient number, since it is larger than the sum of its proper divisors (6068001).

12118167 is an frugal number, since it uses more digits than its factorization.

12118167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871 (or 1850 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

The square root of 12118167 is about 3481.1157694050. The cubic root of 12118167 is about 229.6918810493.

Adding to 12118167 its reverse (76181121), we get a palindrome (88299288).

The spelling of 12118167 in words is "twelve million, one hundred eighteen thousand, one hundred sixty-seven".