12071327131 has 2 divisors, whose sum is σ = 12071327132. Its totient is φ = 12071327130.

The previous prime is 12071327129. The next prime is 12071327137. The reversal of 12071327131 is 13172317021.

It is a weak prime.

It is an emirp because it is prime and its reverse (13172317021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12071327131 - 2¹ = 12071327129 is a prime.

It is a super-2 number, since 2×12071327131² (a number of 21 digits) contains 22 as substring.

Together with 12071327129, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12071327131.

It is not a weakly prime, because it can be changed into another prime (12071327137) 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, 6035663565 + 6035663566.

It is an arithmetic number, because the mean of its divisors is an integer number (6035663566).

Almost surely, 2^12071327131 is an apocalyptic number.

12071327131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12071327131 is an equidigital number, since it uses as much as digits as its factorization.

12071327131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The spelling of 12071327131 in words is "twelve billion, seventy-one million, three hundred twenty-seven thousand, one hundred thirty-one".