12203220206017 has 2 divisors, whose sum is σ = 12203220206018. Its totient is φ = 12203220206016.

The previous prime is 12203220205999. The next prime is 12203220206063. The reversal of 12203220206017 is 71060202230221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8231155262001 + 3972064944016 = 2868999^2 + 1993004^2 .

It is an emirp because it is prime and its reverse (71060202230221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12203220206017 - 2⁷ = 12203220205889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12203220206077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101610103008 + 6101610103009.

It is an arithmetic number, because the mean of its divisors is an integer number (6101610103009).

Almost surely, 2^{12203220206017} is an apocalyptic number.

It is an amenable number.

12203220206017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203220206017 is an equidigital number, since it uses as much as digits as its factorization.

12203220206017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 12203220206017 its reverse (71060202230221), we get a palindrome (83263422436238).

The spelling of 12203220206017 in words is "twelve trillion, two hundred three billion, two hundred twenty million, two hundred six thousand, seventeen".