2112003312 has 20 divisors (see below), whose sum is σ = 5456008680. Its totient is φ = 704001088.

The previous prime is 2112003281. The next prime is 2112003323. The reversal of 2112003312 is 2133002112.

It is a junction number, because it is equal to n+sod(n) for n = 2112003291 and 2112003300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21999987 + ... + 22000082.

It is an arithmetic number, because the mean of its divisors is an integer number (272800434).

Almost surely, 2^2112003312 is an apocalyptic number.

It is an amenable number.

2112003312 is an abundant number, since it is smaller than the sum of its proper divisors (3344005368).

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

2112003312 is a wasteful number, since it uses less digits than its factorization.

2112003312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44000080 (or 44000074 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2112003312 is about 45956.5372063649. The cubic root of 2112003312 is about 1283.0144026642.

Adding to 2112003312 its reverse (2133002112), we get a palindrome (4245005424).

The spelling of 2112003312 in words is "two billion, one hundred twelve million, three thousand, three hundred twelve".