12377216399 has 2 divisors, whose sum is σ = 12377216400. Its totient is φ = 12377216398.

The previous prime is 12377216381. The next prime is 12377216507. The reversal of 12377216399 is 99361277321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12377216399 - 2⁸ = 12377216143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12377216309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6188608199 + 6188608200.

It is an arithmetic number, because the mean of its divisors is an integer number (6188608200).

Almost surely, 2^12377216399 is an apocalyptic number.

12377216399 is a deficient number, since it is larger than the sum of its proper divisors (1).

12377216399 is an equidigital number, since it uses as much as digits as its factorization.

12377216399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 50.

The spelling of 12377216399 in words is "twelve billion, three hundred seventy-seven million, two hundred sixteen thousand, three hundred ninety-nine".