12341213221 has 2 divisors, whose sum is σ = 12341213222. Its totient is φ = 12341213220.

The previous prime is 12341213207. The next prime is 12341213267. The reversal of 12341213221 is 12231214321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11905864996 + 435348225 = 109114^2 + 20865^2 .

It is a cyclic number.

It is not a de Polignac number, because 12341213221 - 2²³ = 12332824613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12341213192 and 12341213201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12341213281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170606610 + 6170606611.

It is an arithmetic number, because the mean of its divisors is an integer number (6170606611).

Almost surely, 2^12341213221 is an apocalyptic number.

It is an amenable number.

12341213221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12341213221 is an equidigital number, since it uses as much as digits as its factorization.

12341213221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

Adding to 12341213221 its reverse (12231214321), we get a palindrome (24572427542).

The spelling of 12341213221 in words is "twelve billion, three hundred forty-one million, two hundred thirteen thousand, two hundred twenty-one".