12123413311 has 2 divisors, whose sum is σ = 12123413312. Its totient is φ = 12123413310.

The previous prime is 12123413299. The next prime is 12123413329. The reversal of 12123413311 is 11331432121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12123413311 - 2⁹ = 12123412799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12123413611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061706655 + 6061706656.

It is an arithmetic number, because the mean of its divisors is an integer number (6061706656).

Almost surely, 2^12123413311 is an apocalyptic number.

12123413311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123413311 is an equidigital number, since it uses as much as digits as its factorization.

12123413311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

Adding to 12123413311 its reverse (11331432121), we get a palindrome (23454845432).

The spelling of 12123413311 in words is "twelve billion, one hundred twenty-three million, four hundred thirteen thousand, three hundred eleven".