2112333312 has 80 divisors (see below), whose sum is σ = 5637139200. Its totient is φ = 702892032.

The previous prime is 2112333299. The next prime is 2112333323. The reversal of 2112333312 is 2133332112.

2112333312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1509189 + ... + 1510587.

It is an arithmetic number, because the mean of its divisors is an integer number (70464240).

Almost surely, 2^2112333312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112333312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2818569600).

2112333312 is an abundant number, since it is smaller than the sum of its proper divisors (3524805888).

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

2112333312 is an equidigital number, since it uses as much as digits as its factorization.

2112333312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403 (or 2387 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 2112333312 is about 45960.1274149670. The cubic root of 2112333312 is about 1283.0812227462.

Adding to 2112333312 its reverse (2133332112), we get a palindrome (4245665424).

The spelling of 2112333312 in words is "two billion, one hundred twelve million, three hundred thirty-three thousand, three hundred twelve".