12312162 has 20 divisors (see below), whose sum is σ = 27588726. Its totient is φ = 4104000.

The previous prime is 12312149. The next prime is 12312173. The reversal of 12312162 is 26121321.

It can be written as a sum of positive squares in only one way, i.e., 9418761 + 2893401 = 3069^2 + 1701^2 .

It is a super-2 number, since 2×12312162² = 303178666228488, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37839 + ... + 38162.

Almost surely, 2^12312162 is an apocalyptic number.

12312162 is an abundant number, since it is smaller than the sum of its proper divisors (15276564).

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

12312162 is an equidigital number, since it uses as much as digits as its factorization.

12312162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76015 (or 76006 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 12312162 is about 3508.8690485682. The cubic root of 12312162 is about 230.9110806356.

Adding to 12312162 its reverse (26121321), we get a palindrome (38433483).

The spelling of 12312162 in words is "twelve million, three hundred twelve thousand, one hundred sixty-two".