12112033211 has 4 divisors (see below), whose sum is σ = 12169436424. Its totient is φ = 12054630000.

The previous prime is 12112033183. The next prime is 12112033249. The reversal of 12112033211 is 11233021121.

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

It is a cyclic number.

It is not a de Polignac number, because 12112033211 - 2⁶ = 12112033147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12112033211.

It is not an unprimeable number, because it can be changed into a prime (12112033261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28701290 + ... + 28701711.

It is an arithmetic number, because the mean of its divisors is an integer number (3042359106).

Almost surely, 2^12112033211 is an apocalyptic number.

12112033211 is a deficient number, since it is larger than the sum of its proper divisors (57403213).

12112033211 is an equidigital number, since it uses as much as digits as its factorization.

12112033211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57403212.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12112033211 its reverse (11233021121), we get a palindrome (23345054332).

The spelling of 12112033211 in words is "twelve billion, one hundred twelve million, thirty-three thousand, two hundred eleven".