12212201120017 has 2 divisors, whose sum is σ = 12212201120018. Its totient is φ = 12212201120016.

The previous prime is 12212201119997. The next prime is 12212201120051. The reversal of 12212201120017 is 71002110221221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6759994800001 + 5452206320016 = 2599999^2 + 2334996^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212201120017 - 2¹⁹ = 12212200595729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12212201120017.

It is not a weakly prime, because it can be changed into another prime (12212201121017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106100560008 + 6106100560009.

It is an arithmetic number, because the mean of its divisors is an integer number (6106100560009).

Almost surely, 2^{12212201120017} is an apocalyptic number.

It is an amenable number.

12212201120017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212201120017 is an equidigital number, since it uses as much as digits as its factorization.

12212201120017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 12212201120017 its reverse (71002110221221), we get a palindrome (83214311341238).

The spelling of 12212201120017 in words is "twelve trillion, two hundred twelve billion, two hundred one million, one hundred twenty thousand, seventeen".