12112020233 has 4 divisors (see below), whose sum is σ = 12121360020. Its totient is φ = 12102680448.

The previous prime is 12112020211. The next prime is 12112020301. The reversal of 12112020233 is 33202021121.

12112020233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11718712009 + 393308224 = 108253^2 + 19832^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112020233 - 2¹⁰ = 12112019209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4667948 + ... + 4670541.

It is an arithmetic number, because the mean of its divisors is an integer number (3030340005).

Almost surely, 2^12112020233 is an apocalyptic number.

It is an amenable number.

12112020233 is a deficient number, since it is larger than the sum of its proper divisors (9339787).

12112020233 is an equidigital number, since it uses as much as digits as its factorization.

12112020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9339786.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12112020233 its reverse (33202021121), we get a palindrome (45314041354).

The spelling of 12112020233 in words is "twelve billion, one hundred twelve million, twenty thousand, two hundred thirty-three".