12134837831 has 2 divisors, whose sum is σ = 12134837832. Its totient is φ = 12134837830.

The previous prime is 12134837821. The next prime is 12134837849. The reversal of 12134837831 is 13873843121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12134837831 is a prime.

It is a super-2 number, since 2×12134837831² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12134837801) 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, 6067418915 + 6067418916.

It is an arithmetic number, because the mean of its divisors is an integer number (6067418916).

Almost surely, 2^12134837831 is an apocalyptic number.

12134837831 is a deficient number, since it is larger than the sum of its proper divisors (1).

12134837831 is an equidigital number, since it uses as much as digits as its factorization.

12134837831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The spelling of 12134837831 in words is "twelve billion, one hundred thirty-four million, eight hundred thirty-seven thousand, eight hundred thirty-one".