123012514514017 has 2 divisors, whose sum is σ = 123012514514018. Its totient is φ = 123012514514016.

The previous prime is 123012514513963. The next prime is 123012514514039. The reversal of 123012514514017 is 710415415210321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75215534490721 + 47796980023296 = 8672689^2 + 6913536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123012514514017 is a prime.

It is a super-2 number, since 2×123012514514017² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123012514515017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506257257008 + 61506257257009.

It is an arithmetic number, because the mean of its divisors is an integer number (61506257257009).

Almost surely, 2^{123012514514017} is an apocalyptic number.

It is an amenable number.

123012514514017 is a deficient number, since it is larger than the sum of its proper divisors (1).

123012514514017 is an equidigital number, since it uses as much as digits as its factorization.

123012514514017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 37.

Adding to 123012514514017 its reverse (710415415210321), we get a palindrome (833427929724338).

The spelling of 123012514514017 in words is "one hundred twenty-three trillion, twelve billion, five hundred fourteen million, five hundred fourteen thousand, seventeen".