12351744017 has 2 divisors, whose sum is σ = 12351744018. Its totient is φ = 12351744016.

The previous prime is 12351744007. The next prime is 12351744071. The reversal of 12351744017 is 71044715321.

Together with next prime (12351744071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9216192001 + 3135552016 = 96001^2 + 55996^2 .

It is a cyclic number.

It is not a de Polignac number, because 12351744017 - 2⁴ = 12351744001 is a prime.

It is a super-2 number, since 2×12351744017² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12351744007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6175872008 + 6175872009.

It is an arithmetic number, because the mean of its divisors is an integer number (6175872009).

Almost surely, 2^12351744017 is an apocalyptic number.

It is an amenable number.

12351744017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12351744017 is an equidigital number, since it uses as much as digits as its factorization.

12351744017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 12351744017 in words is "twelve billion, three hundred fifty-one million, seven hundred forty-four thousand, seventeen".