12802120320019 has 2 divisors, whose sum is σ = 12802120320020. Its totient is φ = 12802120320018.

The previous prime is 12802120319987. The next prime is 12802120320079. The reversal of 12802120320019 is 91002302120821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12802120320019 - 2⁵ = 12802120319987 is a prime.

It is a super-2 number, since 2×12802120320019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12802120320079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6401060160009 + 6401060160010.

It is an arithmetic number, because the mean of its divisors is an integer number (6401060160010).

Almost surely, 2^{12802120320019} is an apocalyptic number.

12802120320019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12802120320019 is an equidigital number, since it uses as much as digits as its factorization.

12802120320019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 12802120320019 in words is "twelve trillion, eight hundred two billion, one hundred twenty million, three hundred twenty thousand, nineteen".