12343213213 has 2 divisors, whose sum is σ = 12343213214. Its totient is φ = 12343213212.

The previous prime is 12343213199. The next prime is 12343213217. The reversal of 12343213213 is 31231234321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10874944089 + 1468269124 = 104283^2 + 38318^2 .

It is a cyclic number.

It is not a de Polignac number, because 12343213213 - 2⁹ = 12343212701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12343213217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6171606606 + 6171606607.

It is an arithmetic number, because the mean of its divisors is an integer number (6171606607).

Almost surely, 2^12343213213 is an apocalyptic number.

It is an amenable number.

12343213213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12343213213 is an equidigital number, since it uses as much as digits as its factorization.

12343213213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

Adding to 12343213213 its reverse (31231234321), we get a palindrome (43574447534).

The spelling of 12343213213 in words is "twelve billion, three hundred forty-three million, two hundred thirteen thousand, two hundred thirteen".