12172442213759 has 2 divisors, whose sum is σ = 12172442213760. Its totient is φ = 12172442213758.

The previous prime is 12172442213647. The next prime is 12172442213801. The reversal of 12172442213759 is 95731224427121.

12172442213759 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12172442213759 - 2¹² = 12172442209663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12172442213059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6086221106879 + 6086221106880.

It is an arithmetic number, because the mean of its divisors is an integer number (6086221106880).

Almost surely, 2^{12172442213759} is an apocalyptic number.

12172442213759 is a deficient number, since it is larger than the sum of its proper divisors (1).

12172442213759 is an equidigital number, since it uses as much as digits as its factorization.

12172442213759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 50.

The spelling of 12172442213759 in words is "twelve trillion, one hundred seventy-two billion, four hundred forty-two million, two hundred thirteen thousand, seven hundred fifty-nine".