12312330229 has 2 divisors, whose sum is σ = 12312330230. Its totient is φ = 12312330228.

The previous prime is 12312330211. The next prime is 12312330253. The reversal of 12312330229 is 92203321321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11648237329 + 664092900 = 107927^2 + 25770^2 .

It is an emirp because it is prime and its reverse (92203321321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12312330229 - 2¹³ = 12312322037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12312330197 and 12312330206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312330269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156165114 + 6156165115.

It is an arithmetic number, because the mean of its divisors is an integer number (6156165115).

Almost surely, 2^12312330229 is an apocalyptic number.

It is an amenable number.

12312330229 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312330229 is an equidigital number, since it uses as much as digits as its factorization.

12312330229 is an evil number, because the sum of its binary digits is even.

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

The spelling of 12312330229 in words is "twelve billion, three hundred twelve million, three hundred thirty thousand, two hundred twenty-nine".