12360720391 has 2 divisors, whose sum is σ = 12360720392. Its totient is φ = 12360720390.

The previous prime is 12360720301. The next prime is 12360720439. The reversal of 12360720391 is 19302706321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12360720391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12360720301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6180360195 + 6180360196.

It is an arithmetic number, because the mean of its divisors is an integer number (6180360196).

Almost surely, 2^12360720391 is an apocalyptic number.

12360720391 is a deficient number, since it is larger than the sum of its proper divisors (1).

12360720391 is an equidigital number, since it uses as much as digits as its factorization.

12360720391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 12360720391 in words is "twelve billion, three hundred sixty million, seven hundred twenty thousand, three hundred ninety-one".