12213233317 has 2 divisors, whose sum is σ = 12213233318. Its totient is φ = 12213233316.

The previous prime is 12213233297. The next prime is 12213233327. The reversal of 12213233317 is 71333231221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8418796516 + 3794436801 = 91754^2 + 61599^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213233317 - 2¹¹ = 12213231269 is a prime.

It is a super-3 number, since 3×12213233317³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12213233327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106616658 + 6106616659.

It is an arithmetic number, because the mean of its divisors is an integer number (6106616659).

Almost surely, 2^12213233317 is an apocalyptic number.

It is an amenable number.

12213233317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213233317 is an equidigital number, since it uses as much as digits as its factorization.

12213233317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 28.

Adding to 12213233317 its reverse (71333231221), we get a palindrome (83546464538).

The spelling of 12213233317 in words is "twelve billion, two hundred thirteen million, two hundred thirty-three thousand, three hundred seventeen".