12112444200 has 96 divisors (see below), whose sum is σ = 37677276000. Its totient is φ = 3218914560.

The previous prime is 12112444193. The next prime is 12112444219. The reversal of 12112444200 is 244421121.

It is a super-2 number, since 2×12112444200² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141351 + ... + 210249.

It is an arithmetic number, because the mean of its divisors is an integer number (392471625).

Almost surely, 2^12112444200 is an apocalyptic number.

12112444200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12112444200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18838638000).

12112444200 is an abundant number, since it is smaller than the sum of its proper divisors (25564831800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112444200 is a wasteful number, since it uses less digits than its factorization.

12112444200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69211 (or 69202 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12112444200 its reverse (244421121), we get a palindrome (12356865321).

The spelling of 12112444200 in words is "twelve billion, one hundred twelve million, four hundred forty-four thousand, two hundred".