12213534317 has 2 divisors, whose sum is σ = 12213534318. Its totient is φ = 12213534316.

The previous prime is 12213534271. The next prime is 12213534323. The reversal of 12213534317 is 71343531221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11930319076 + 283215241 = 109226^2 + 16829^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213534317 - 2¹⁴ = 12213517933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213534217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106767158 + 6106767159.

It is an arithmetic number, because the mean of its divisors is an integer number (6106767159).

Almost surely, 2^12213534317 is an apocalyptic number.

It is an amenable number.

12213534317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213534317 is an equidigital number, since it uses as much as digits as its factorization.

12213534317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The spelling of 12213534317 in words is "twelve billion, two hundred thirteen million, five hundred thirty-four thousand, three hundred seventeen".