13212792115009 has 2 divisors, whose sum is σ = 13212792115010. Its totient is φ = 13212792115008.

The previous prime is 13212792115001. The next prime is 13212792115031. The reversal of 13212792115009 is 90051129721231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12273482242609 + 939309872400 = 3503353^2 + 969180^2 .

It is a cyclic number.

It is not a de Polignac number, because 13212792115009 - 2³ = 13212792115001 is a prime.

It is not a weakly prime, because it can be changed into another prime (13212792115001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606396057504 + 6606396057505.

It is an arithmetic number, because the mean of its divisors is an integer number (6606396057505).

Almost surely, 2^{13212792115009} is an apocalyptic number.

It is an amenable number.

13212792115009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212792115009 is an equidigital number, since it uses as much as digits as its factorization.

13212792115009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 13212792115009 in words is "thirteen trillion, two hundred twelve billion, seven hundred ninety-two million, one hundred fifteen thousand, nine".