12131085467 has 2 divisors, whose sum is σ = 12131085468. Its totient is φ = 12131085466.

The previous prime is 12131085427. The next prime is 12131085529. The reversal of 12131085467 is 76458013121.

12131085467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12131085467 - 2²⁴ = 12114308251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12131085467.

It is not a weakly prime, because it can be changed into another prime (12131085427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065542733 + 6065542734.

It is an arithmetic number, because the mean of its divisors is an integer number (6065542734).

Almost surely, 2^12131085467 is an apocalyptic number.

12131085467 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131085467 is an equidigital number, since it uses as much as digits as its factorization.

12131085467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

Adding to 12131085467 its reverse (76458013121), we get a palindrome (88589098588).

The spelling of 12131085467 in words is "twelve billion, one hundred thirty-one million, eighty-five thousand, four hundred sixty-seven".