12706183214909 has 2 divisors, whose sum is σ = 12706183214910. Its totient is φ = 12706183214908.

The previous prime is 12706183214897. The next prime is 12706183215013. The reversal of 12706183214909 is 90941238160721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12130049083684 + 576134131225 = 3482822^2 + 759035^2 .

It is a cyclic number.

It is not a de Polignac number, because 12706183214909 - 2⁸ = 12706183214653 is a prime.

It is a super-2 number, since 2×12706183214909² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12706183214009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6353091607454 + 6353091607455.

It is an arithmetic number, because the mean of its divisors is an integer number (6353091607455).

Almost surely, 2^{12706183214909} is an apocalyptic number.

It is an amenable number.

12706183214909 is a deficient number, since it is larger than the sum of its proper divisors (1).

12706183214909 is an equidigital number, since it uses as much as digits as its factorization.

12706183214909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 12706183214909 in words is "twelve trillion, seven hundred six billion, one hundred eighty-three million, two hundred fourteen thousand, nine hundred nine".