12111103233 has 12 divisors (see below), whose sum is σ = 18141735248. Its totient is φ = 8074068660.

The previous prime is 12111103231. The next prime is 12111103237. The reversal of 12111103233 is 33230111121.

It is not a de Polignac number, because 12111103233 - 2¹ = 12111103231 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12111103231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24919723 + ... + 24920208.

Almost surely, 2^12111103233 is an apocalyptic number.

It is an amenable number.

12111103233 is a deficient number, since it is larger than the sum of its proper divisors (6030632015).

12111103233 is an frugal number, since it uses more digits than its factorization.

12111103233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49839946 (or 49839934 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12111103233 its reverse (33230111121), we get a palindrome (45341214354).

The spelling of 12111103233 in words is "twelve billion, one hundred eleven million, one hundred three thousand, two hundred thirty-three".