12231310009 has 2 divisors, whose sum is σ = 12231310010. Its totient is φ = 12231310008.

The previous prime is 12231309947. The next prime is 12231310031. The reversal of 12231310009 is 90001313221.

It is an a-pointer prime, because the next prime (12231310031) can be obtained adding 12231310009 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7017747984 + 5213562025 = 83772^2 + 72205^2 .

It is a cyclic number.

It is not a de Polignac number, because 12231310009 - 2¹¹ = 12231307961 is a prime.

It is not a weakly prime, because it can be changed into another prime (12231370009) 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, 6115655004 + 6115655005.

It is an arithmetic number, because the mean of its divisors is an integer number (6115655005).

Almost surely, 2^12231310009 is an apocalyptic number.

It is an amenable number.

12231310009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231310009 is an equidigital number, since it uses as much as digits as its factorization.

12231310009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 12231310009 in words is "twelve billion, two hundred thirty-one million, three hundred ten thousand, nine".