12203021317 has 2 divisors, whose sum is σ = 12203021318. Its totient is φ = 12203021316.

The previous prime is 12203021291. The next prime is 12203021321. The reversal of 12203021317 is 71312030221.

It is a happy number.

12203021317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7182732001 + 5020289316 = 84751^2 + 70854^2 .

It is a cyclic number.

It is not a de Polignac number, because 12203021317 - 2³¹ = 10055537669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12203061317) 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, 6101510658 + 6101510659.

It is an arithmetic number, because the mean of its divisors is an integer number (6101510659).

Almost surely, 2^12203021317 is an apocalyptic number.

It is an amenable number.

12203021317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203021317 is an equidigital number, since it uses as much as digits as its factorization.

12203021317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 12203021317 its reverse (71312030221), we get a palindrome (83515051538).

The spelling of 12203021317 in words is "twelve billion, two hundred three million, twenty-one thousand, three hundred seventeen".