12243305111 has 2 divisors, whose sum is σ = 12243305112. Its totient is φ = 12243305110.

The previous prime is 12243305093. The next prime is 12243305147. The reversal of 12243305111 is 11150334221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12243305111 - 2¹⁸ = 12243042967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12243305171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121652555 + 6121652556.

It is an arithmetic number, because the mean of its divisors is an integer number (6121652556).

Almost surely, 2^12243305111 is an apocalyptic number.

12243305111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12243305111 is an equidigital number, since it uses as much as digits as its factorization.

12243305111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 12243305111 its reverse (11150334221), we get a palindrome (23393639332).

The spelling of 12243305111 in words is "twelve billion, two hundred forty-three million, three hundred five thousand, one hundred eleven".