13012022117 has 2 divisors, whose sum is σ = 13012022118. Its totient is φ = 13012022116.

The previous prime is 13012022087. The next prime is 13012022129. The reversal of 13012022117 is 71122021031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11823082756 + 1188939361 = 108734^2 + 34481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13012022117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13012022137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506011058 + 6506011059.

It is an arithmetic number, because the mean of its divisors is an integer number (6506011059).

Almost surely, 2^13012022117 is an apocalyptic number.

It is an amenable number.

13012022117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012022117 is an equidigital number, since it uses as much as digits as its factorization.

13012022117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 13012022117 its reverse (71122021031), we get a palindrome (84134043148).

The spelling of 13012022117 in words is "thirteen billion, twelve million, twenty-two thousand, one hundred seventeen".