12331066213 has 2 divisors, whose sum is σ = 12331066214. Its totient is φ = 12331066212.

The previous prime is 12331066201. The next prime is 12331066259. The reversal of 12331066213 is 31266013321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11150937604 + 1180128609 = 105598^2 + 34353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12331066213 is a prime.

It is a super-2 number, since 2×12331066213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12331066513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165533106 + 6165533107.

It is an arithmetic number, because the mean of its divisors is an integer number (6165533107).

Almost surely, 2^12331066213 is an apocalyptic number.

It is an amenable number.

12331066213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331066213 is an equidigital number, since it uses as much as digits as its factorization.

12331066213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 12331066213 its reverse (31266013321), we get a palindrome (43597079534).

The spelling of 12331066213 in words is "twelve billion, three hundred thirty-one million, sixty-six thousand, two hundred thirteen".