12293787901517 has 2 divisors, whose sum is σ = 12293787901518. Its totient is φ = 12293787901516.

The previous prime is 12293787901433. The next prime is 12293787901559. The reversal of 12293787901517 is 71510978739221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11212813890916 + 1080974010601 = 3348554^2 + 1039699^2 .

It is a cyclic number.

It is not a de Polignac number, because 12293787901517 - 2³⁸ = 12018909994573 is a prime.

It is a super-2 number, since 2×12293787901517² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12293787901517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12293787901117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6146893950758 + 6146893950759.

It is an arithmetic number, because the mean of its divisors is an integer number (6146893950759).

Almost surely, 2^{12293787901517} is an apocalyptic number.

It is an amenable number.

12293787901517 is a deficient number, since it is larger than the sum of its proper divisors (1).

12293787901517 is an equidigital number, since it uses as much as digits as its factorization.

12293787901517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13335840, while the sum is 62.

The spelling of 12293787901517 in words is "twelve trillion, two hundred ninety-three billion, seven hundred eighty-seven million, nine hundred one thousand, five hundred seventeen".