12802120319987 has 2 divisors, whose sum is σ = 12802120319988. Its totient is φ = 12802120319986.

The previous prime is 12802120319977. The next prime is 12802120320019. The reversal of 12802120319987 is 78991302120821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12802120319987 - 2²⁴ = 12802103542771 is a prime.

It is not a weakly prime, because it can be changed into another prime (12802120319977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401060159993 + 6401060159994.

It is an arithmetic number, because the mean of its divisors is an integer number (6401060159994).

Almost surely, 2^{12802120319987} is an apocalyptic number.

12802120319987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12802120319987 is an equidigital number, since it uses as much as digits as its factorization.

12802120319987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 12802120319987 in words is "twelve trillion, eight hundred two billion, one hundred twenty million, three hundred nineteen thousand, nine hundred eighty-seven".