12011317826999 has 2 divisors, whose sum is σ = 12011317827000. Its totient is φ = 12011317826998.

The previous prime is 12011317826971. The next prime is 12011317827013. The reversal of 12011317826999 is 99962871311021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011317826999 - 2⁸ = 12011317826743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011317856999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005658913499 + 6005658913500.

It is an arithmetic number, because the mean of its divisors is an integer number (6005658913500).

Almost surely, 2^{12011317826999} is an apocalyptic number.

12011317826999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011317826999 is an equidigital number, since it uses as much as digits as its factorization.

12011317826999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 59.

The spelling of 12011317826999 in words is "twelve trillion, eleven billion, three hundred seventeen million, eight hundred twenty-six thousand, nine hundred ninety-nine".