12403360517 has 2 divisors, whose sum is σ = 12403360518. Its totient is φ = 12403360516.

The previous prime is 12403360511. The next prime is 12403360547. The reversal of 12403360517 is 71506330421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11503420516 + 899940001 = 107254^2 + 29999^2 .

It is a cyclic number.

It is not a de Polignac number, because 12403360517 - 2¹⁸ = 12403098373 is a prime.

It is a super-2 number, since 2×12403360517² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12403360511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201680258 + 6201680259.

It is an arithmetic number, because the mean of its divisors is an integer number (6201680259).

Almost surely, 2^12403360517 is an apocalyptic number.

It is an amenable number.

12403360517 is a deficient number, since it is larger than the sum of its proper divisors (1).

12403360517 is an equidigital number, since it uses as much as digits as its factorization.

12403360517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 12403360517 its reverse (71506330421), we get a palindrome (83909690938).

The spelling of 12403360517 in words is "twelve billion, four hundred three million, three hundred sixty thousand, five hundred seventeen".