12116331 has 32 divisors (see below), whose sum is σ = 19008000. Its totient is φ = 7612704.

The previous prime is 12116329. The next prime is 12116333. The reversal of 12116331 is 13361121.

It is an interprime number because it is at equal distance from previous prime (12116329) and next prime (12116333).

It is not a de Polignac number, because 12116331 - 2¹ = 12116329 is a prime.

It is a super-2 number, since 2×12116331² = 293610953803122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12116333) 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 31 ways as a sum of consecutive naturals, for example, 67600 + ... + 67778.

It is an arithmetic number, because the mean of its divisors is an integer number (594000).

Almost surely, 2^12116331 is an apocalyptic number.

12116331 is a deficient number, since it is larger than the sum of its proper divisors (6891669).

12116331 is a wasteful number, since it uses less digits than its factorization.

12116331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 314 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 12116331 is about 3480.8520508634. The cubic root of 12116331 is about 229.6802804061.

Adding to 12116331 its reverse (13361121), we get a palindrome (25477452).

The spelling of 12116331 in words is "twelve million, one hundred sixteen thousand, three hundred thirty-one".