12111112311233 has 32 divisors (see below), whose sum is σ = 13894462391040. Its totient is φ = 10519757763840.

The previous prime is 12111112311223. The next prime is 12111112311251. The reversal of 12111112311233 is 33211321111121.

It is not a de Polignac number, because 12111112311233 - 2⁸ = 12111112310977 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12111112311199 and 12111112311208.

It is not an unprimeable number, because it can be changed into a prime (12111112311203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202812566 + ... + 202872272.

It is an arithmetic number, because the mean of its divisors is an integer number (434201949720).

Almost surely, 2^{12111112311233} is an apocalyptic number.

12111112311233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12111112311233 is a deficient number, since it is larger than the sum of its proper divisors (1783350079807).

12111112311233 is an equidigital number, since it uses as much as digits as its factorization.

12111112311233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65194 (or 65168 counting only the distinct ones).

The product of its digits is 216, while the sum is 23.

Adding to 12111112311233 its reverse (33211321111121), we get a palindrome (45322433422354).

The spelling of 12111112311233 in words is "twelve trillion, one hundred eleven billion, one hundred twelve million, three hundred eleven thousand, two hundred thirty-three".