12001201121317 has 2 divisors, whose sum is σ = 12001201121318. Its totient is φ = 12001201121316.

The previous prime is 12001201121281. The next prime is 12001201121321. The reversal of 12001201121317 is 71312110210021.

12001201121317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7569464602756 + 4431736518561 = 2751266^2 + 2105169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001201121317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001201125317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000600560658 + 6000600560659.

It is an arithmetic number, because the mean of its divisors is an integer number (6000600560659).

Almost surely, 2^{12001201121317} is an apocalyptic number.

It is an amenable number.

12001201121317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001201121317 is an equidigital number, since it uses as much as digits as its factorization.

12001201121317 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 22.

Adding to 12001201121317 its reverse (71312110210021), we get a palindrome (83313311331338).

The spelling of 12001201121317 in words is "twelve trillion, one billion, two hundred one million, one hundred twenty-one thousand, three hundred seventeen".