12480477161917 has 2 divisors, whose sum is σ = 12480477161918. Its totient is φ = 12480477161916.

The previous prime is 12480477161891. The next prime is 12480477161923. The reversal of 12480477161917 is 71916177408421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11625331244836 + 855145917081 = 3409594^2 + 924741^2 .

It is an emirp because it is prime and its reverse (71916177408421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12480477161917 is a prime.

It is a super-2 number, since 2×12480477161917² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12450477161917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6240238580958 + 6240238580959.

It is an arithmetic number, because the mean of its divisors is an integer number (6240238580959).

Almost surely, 2^{12480477161917} is an apocalyptic number.

It is an amenable number.

12480477161917 is a deficient number, since it is larger than the sum of its proper divisors (1).

12480477161917 is an equidigital number, since it uses as much as digits as its factorization.

12480477161917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4741632, while the sum is 58.

The spelling of 12480477161917 in words is "twelve trillion, four hundred eighty billion, four hundred seventy-seven million, one hundred sixty-one thousand, nine hundred seventeen".