12231067517 has 2 divisors, whose sum is σ = 12231067518. Its totient is φ = 12231067516.

The previous prime is 12231067507. The next prime is 12231067523. The reversal of 12231067517 is 71576013221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9646971961 + 2584095556 = 98219^2 + 50834^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231067517 - 2⁴ = 12231067501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231067507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115533758 + 6115533759.

It is an arithmetic number, because the mean of its divisors is an integer number (6115533759).

Almost surely, 2^12231067517 is an apocalyptic number.

It is an amenable number.

12231067517 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231067517 is an equidigital number, since it uses as much as digits as its factorization.

12231067517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 12231067517 in words is "twelve billion, two hundred thirty-one million, sixty-seven thousand, five hundred seventeen".