12112321300 has 36 divisors (see below), whose sum is σ = 26295621660. Its totient is φ = 4842737920.

The previous prime is 12112321289. The next prime is 12112321301. The reversal of 12112321300 is 312321121.

It can be written as a sum of positive squares in 6 ways, for example, as 1981496196 + 10130825104 = 44514^2 + 100652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112321301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204672 + ... + 257128.

It is an arithmetic number, because the mean of its divisors is an integer number (730433935).

Almost surely, 2^12112321300 is an apocalyptic number.

12112321300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112321300 is an abundant number, since it is smaller than the sum of its proper divisors (14183300360).

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

12112321300 is a wasteful number, since it uses less digits than its factorization.

12112321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54780 (or 54773 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12112321300 its reverse (312321121), we get a palindrome (12424642421).

The spelling of 12112321300 in words is "twelve billion, one hundred twelve million, three hundred twenty-one thousand, three hundred".