12631233911 has 2 divisors, whose sum is σ = 12631233912. Its totient is φ = 12631233910.

The previous prime is 12631233907. The next prime is 12631233943. The reversal of 12631233911 is 11933213621.

It is an a-pointer prime, because the next prime (12631233943) can be obtained adding 12631233911 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12631233911 - 2² = 12631233907 is a prime.

It is a super-2 number, since 2×12631233911² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12631239911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315616955 + 6315616956.

It is an arithmetic number, because the mean of its divisors is an integer number (6315616956).

Almost surely, 2^12631233911 is an apocalyptic number.

12631233911 is a deficient number, since it is larger than the sum of its proper divisors (1).

12631233911 is an equidigital number, since it uses as much as digits as its factorization.

12631233911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The spelling of 12631233911 in words is "twelve billion, six hundred thirty-one million, two hundred thirty-three thousand, nine hundred eleven".