2112303312 has 240 divisors, whose sum is σ = 7363873920. Its totient is φ = 567779328.

The previous prime is 2112303299. The next prime is 2112303337. The reversal of 2112303312 is 2133032112.

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 47 ways as a sum of consecutive naturals, for example, 872728 + ... + 875144.

It is an arithmetic number, because the mean of its divisors is an integer number (30682808).

Almost surely, 2^2112303312 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 2112303312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3681936960).

2112303312 is an abundant number, since it is smaller than the sum of its proper divisors (5251570608).

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

2112303312 is a wasteful number, since it uses less digits than its factorization.

2112303312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2112303312 is about 45959.8010439558. The cubic root of 2112303312 is about 1283.0751484809.

Adding to 2112303312 its reverse (2133032112), we get a palindrome (4245335424).

The spelling of 2112303312 in words is "two billion, one hundred twelve million, three hundred three thousand, three hundred twelve".