12110012331 has 4 divisors (see below), whose sum is σ = 16146683112. Its totient is φ = 8073341552.

The previous prime is 12110012209. The next prime is 12110012359. The reversal of 12110012331 is 13321001121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13321001121 = 3 ⋅4440333707.

It is a cyclic number.

It is not a de Polignac number, because 12110012331 - 2²⁷ = 11975794603 is a prime.

It is a super-2 number, since 2×12110012331² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12110012331.

It is not an unprimeable number, because it can be changed into a prime (12110019331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018335386 + ... + 2018335391.

It is an arithmetic number, because the mean of its divisors is an integer number (4036670778).

Almost surely, 2^12110012331 is an apocalyptic number.

12110012331 is a deficient number, since it is larger than the sum of its proper divisors (4036670781).

12110012331 is an equidigital number, since it uses as much as digits as its factorization.

12110012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036670780.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12110012331 its reverse (13321001121), we get a palindrome (25431013452).

The spelling of 12110012331 in words is "twelve billion, one hundred ten million, twelve thousand, three hundred thirty-one".