13122215671 has 2 divisors, whose sum is σ = 13122215672. Its totient is φ = 13122215670.

The previous prime is 13122215633. The next prime is 13122215677. The reversal of 13122215671 is 17651222131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13122215671 - 2⁷ = 13122215543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13122215677) 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, 6561107835 + 6561107836.

It is an arithmetic number, because the mean of its divisors is an integer number (6561107836).

Almost surely, 2^13122215671 is an apocalyptic number.

13122215671 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122215671 is an equidigital number, since it uses as much as digits as its factorization.

13122215671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The spelling of 13122215671 in words is "thirteen billion, one hundred twenty-two million, two hundred fifteen thousand, six hundred seventy-one".