12123332311 has 2 divisors, whose sum is σ = 12123332312. Its totient is φ = 12123332310.

The previous prime is 12123332303. The next prime is 12123332339. The reversal of 12123332311 is 11323332121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12123332311 - 2³ = 12123332303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12123332371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061666155 + 6061666156.

It is an arithmetic number, because the mean of its divisors is an integer number (6061666156).

Almost surely, 2^12123332311 is an apocalyptic number.

12123332311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123332311 is an equidigital number, since it uses as much as digits as its factorization.

12123332311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

Adding to 12123332311 its reverse (11323332121), we get a palindrome (23446664432).

The spelling of 12123332311 in words is "twelve billion, one hundred twenty-three million, three hundred thirty-two thousand, three hundred eleven".