12112000320312 has 160 divisors (see below), whose sum is σ = 35165702246400. Its totient is φ = 3890747649600.

The previous prime is 12112000320229. The next prime is 12112000320331. The reversal of 12112000320312 is 21302300021121.

12112000320312 is a `hidden beast` number, since 1 + 2 + 11 + 20 + 0 + 0 + 320 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 3539637 + ... + 6062427.

It is an arithmetic number, because the mean of its divisors is an integer number (219785639040).

Almost surely, 2^{12112000320312} is an apocalyptic number.

12112000320312 is a gapful number since it is divisible by the number (12) 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 12112000320312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17582851123200).

12112000320312 is an abundant number, since it is smaller than the sum of its proper divisors (23053701926088).

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

12112000320312 is a wasteful number, since it uses less digits than its factorization.

12112000320312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523079 (or 2523066 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12112000320312 its reverse (21302300021121), we get a palindrome (33414300341433).

The spelling of 12112000320312 in words is "twelve trillion, one hundred twelve billion, three hundred twenty thousand, three hundred twelve".