12816701798387 has 2 divisors, whose sum is σ = 12816701798388. Its totient is φ = 12816701798386.

The previous prime is 12816701798377. The next prime is 12816701798423. The reversal of 12816701798387 is 78389710761821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12816701798387 is a prime.

It is not a weakly prime, because it can be changed into another prime (12816701798377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6408350899193 + 6408350899194.

It is an arithmetic number, because the mean of its divisors is an integer number (6408350899194).

Almost surely, 2^{12816701798387} is an apocalyptic number.

12816701798387 is a deficient number, since it is larger than the sum of its proper divisors (1).

12816701798387 is an equidigital number, since it uses as much as digits as its factorization.

12816701798387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56899584, while the sum is 68.

The spelling of 12816701798387 in words is "twelve trillion, eight hundred sixteen billion, seven hundred one million, seven hundred ninety-eight thousand, three hundred eighty-seven".