12146112631 has 2 divisors, whose sum is σ = 12146112632. Its totient is φ = 12146112630.

The previous prime is 12146112623. The next prime is 12146112749. The reversal of 12146112631 is 13621164121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12146112631 - 2³ = 12146112623 is a prime.

It is a super-2 number, since 2×12146112631² (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 12146112631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12146118631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073056315 + 6073056316.

It is an arithmetic number, because the mean of its divisors is an integer number (6073056316).

Almost surely, 2^12146112631 is an apocalyptic number.

12146112631 is a deficient number, since it is larger than the sum of its proper divisors (1).

12146112631 is an equidigital number, since it uses as much as digits as its factorization.

12146112631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

Adding to 12146112631 its reverse (13621164121), we get a palindrome (25767276752).

The spelling of 12146112631 in words is "twelve billion, one hundred forty-six million, one hundred twelve thousand, six hundred thirty-one".