12369722987 has 2 divisors, whose sum is σ = 12369722988. Its totient is φ = 12369722986.

The previous prime is 12369722983. The next prime is 12369722999. The reversal of 12369722987 is 78922796321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12369722987 - 2² = 12369722983 is a prime.

It is not a weakly prime, because it can be changed into another prime (12369722983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6184861493 + 6184861494.

It is an arithmetic number, because the mean of its divisors is an integer number (6184861494).

Almost surely, 2^12369722987 is an apocalyptic number.

12369722987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12369722987 is an equidigital number, since it uses as much as digits as its factorization.

12369722987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 56.

The spelling of 12369722987 in words is "twelve billion, three hundred sixty-nine million, seven hundred twenty-two thousand, nine hundred eighty-seven".