2001113312 has 24 divisors (see below), whose sum is σ = 4297846392. Its totient is φ = 909596800.

The previous prime is 2001113297. The next prime is 2001113329. The reversal of 2001113312 is 2133111002.

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, 2842139 + ... + 2842842.

It is an arithmetic number, because the mean of its divisors is an integer number (179076933).

Almost surely, 2^2001113312 is an apocalyptic number.

2001113312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2001113312 is an abundant number, since it is smaller than the sum of its proper divisors (2296733080).

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

2001113312 is a wasteful number, since it uses less digits than its factorization.

2001113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685002 (or 5684994 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2001113312 is about 44733.8050248355. The cubic root of 2001113312 is about 1260.1547874004.

Adding to 2001113312 its reverse (2133111002), we get a palindrome (4134224314).

The spelling of 2001113312 in words is "two billion, one million, one hundred thirteen thousand, three hundred twelve".