12351741285109 has 2 divisors, whose sum is σ = 12351741285110. Its totient is φ = 12351741285108.

The previous prime is 12351741285097. The next prime is 12351741285151. The reversal of 12351741285109 is 90158214715321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8859421284484 + 3492320000625 = 2976478^2 + 1868775^2 .

It is a cyclic number.

It is not a de Polignac number, because 12351741285109 - 2¹⁵ = 12351741252341 is a prime.

It is a super-2 number, since 2×12351741285109² (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 (12351741285409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6175870642554 + 6175870642555.

It is an arithmetic number, because the mean of its divisors is an integer number (6175870642555).

Almost surely, 2^{12351741285109} is an apocalyptic number.

It is an amenable number.

12351741285109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12351741285109 is an equidigital number, since it uses as much as digits as its factorization.

12351741285109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 49.

The spelling of 12351741285109 in words is "twelve trillion, three hundred fifty-one billion, seven hundred forty-one million, two hundred eighty-five thousand, one hundred nine".