12400311167 has 2 divisors, whose sum is σ = 12400311168. Its totient is φ = 12400311166.

The previous prime is 12400311097. The next prime is 12400311169. The reversal of 12400311167 is 76111300421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12400311167 - 2¹⁴ = 12400294783 is a prime.

Together with 12400311169, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12400311169) 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, 6200155583 + 6200155584.

It is an arithmetic number, because the mean of its divisors is an integer number (6200155584).

Almost surely, 2^12400311167 is an apocalyptic number.

12400311167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12400311167 is an equidigital number, since it uses as much as digits as its factorization.

12400311167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 12400311167 its reverse (76111300421), we get a palindrome (88511611588).

The spelling of 12400311167 in words is "twelve billion, four hundred million, three hundred eleven thousand, one hundred sixty-seven".