12426425351117 has 2 divisors, whose sum is σ = 12426425351118. Its totient is φ = 12426425351116.

The previous prime is 12426425351101. The next prime is 12426425351141. The reversal of 12426425351117 is 71115352462421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12139572987721 + 286852363396 = 3484189^2 + 535586^2 .

It is a cyclic number.

It is not a de Polignac number, because 12426425351117 - 2⁴ = 12426425351101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12426425311117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6213212675558 + 6213212675559.

It is an arithmetic number, because the mean of its divisors is an integer number (6213212675559).

Almost surely, 2^{12426425351117} is an apocalyptic number.

It is an amenable number.

12426425351117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12426425351117 is an equidigital number, since it uses as much as digits as its factorization.

12426425351117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 44.

The spelling of 12426425351117 in words is "twelve trillion, four hundred twenty-six billion, four hundred twenty-five million, three hundred fifty-one thousand, one hundred seventeen".