12010944517217 has 2 divisors, whose sum is σ = 12010944517218. Its totient is φ = 12010944517216.

The previous prime is 12010944517213. The next prime is 12010944517237. The reversal of 12010944517217 is 71271544901021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6064910991616 + 5946033525601 = 2462704^2 + 2438449^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010944517217 - 2² = 12010944517213 is a prime.

It is a super-2 number, since 2×12010944517217² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12010944517213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005472258608 + 6005472258609.

It is an arithmetic number, because the mean of its divisors is an integer number (6005472258609).

Almost surely, 2^{12010944517217} is an apocalyptic number.

It is an amenable number.

12010944517217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010944517217 is an equidigital number, since it uses as much as digits as its factorization.

12010944517217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 12010944517217 in words is "twelve trillion, ten billion, nine hundred forty-four million, five hundred seventeen thousand, two hundred seventeen".