13203020122217 has 2 divisors, whose sum is σ = 13203020122218. Its totient is φ = 13203020122216.

The previous prime is 13203020122163. The next prime is 13203020122273. The reversal of 13203020122217 is 71222102030231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13182265686121 + 20754436096 = 3630739^2 + 144064^2 .

It is a cyclic number.

It is not a de Polignac number, because 13203020122217 - 2⁶ = 13203020122153 is a prime.

It is not a weakly prime, because it can be changed into another prime (13203020122277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601510061108 + 6601510061109.

It is an arithmetic number, because the mean of its divisors is an integer number (6601510061109).

Almost surely, 2^{13203020122217} is an apocalyptic number.

It is an amenable number.

13203020122217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203020122217 is an equidigital number, since it uses as much as digits as its factorization.

13203020122217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 13203020122217 its reverse (71222102030231), we get a palindrome (84425122152448).

The spelling of 13203020122217 in words is "thirteen trillion, two hundred three billion, twenty million, one hundred twenty-two thousand, two hundred seventeen".