12112000111 has 4 divisors (see below), whose sum is σ = 12502709824. Its totient is φ = 11721290400.

The previous prime is 12112000099. The next prime is 12112000127. The reversal of 12112000111 is 11100021121.

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 12112000111 - 2¹⁹ = 12111475823 is a prime.

It is a super-3 number, since 3×12112000111³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112000171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195354810 + ... + 195354871.

It is an arithmetic number, because the mean of its divisors is an integer number (3125677456).

Almost surely, 2^12112000111 is an apocalyptic number.

12112000111 is a deficient number, since it is larger than the sum of its proper divisors (390709713).

12112000111 is an equidigital number, since it uses as much as digits as its factorization.

12112000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390709712.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12112000111 its reverse (11100021121), we get a palindrome (23212021232).

The spelling of 12112000111 in words is "twelve billion, one hundred twelve million, one hundred eleven", and thus it is an aban number.