12213201017 has 2 divisors, whose sum is σ = 12213201018. Its totient is φ = 12213201016.

The previous prime is 12213200971. The next prime is 12213201041. The reversal of 12213201017 is 71010231221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11772033001 + 441168016 = 108499^2 + 21004^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213201017 - 2²² = 12209006713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12213201017.

It is not a weakly prime, because it can be changed into another prime (12213201097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106600508 + 6106600509.

It is an arithmetic number, because the mean of its divisors is an integer number (6106600509).

Almost surely, 2^12213201017 is an apocalyptic number.

It is an amenable number.

12213201017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213201017 is an equidigital number, since it uses as much as digits as its factorization.

12213201017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 12213201017 its reverse (71010231221), we get a palindrome (83223432238).

The spelling of 12213201017 in words is "twelve billion, two hundred thirteen million, two hundred one thousand, seventeen".