2012112133 has 32 divisors (see below), whose sum is σ = 2224696320. Its totient is φ = 1814400000.

The previous prime is 2012112127. The next prime is 2012112139. The reversal of 2012112133 is 3312112102.

It is an interprime number because it is at equal distance from previous prime (2012112127) and next prime (2012112139).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012112133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012112139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8016258 + ... + 8016508.

It is an arithmetic number, because the mean of its divisors is an integer number (69521760).

Almost surely, 2^2012112133 is an apocalyptic number.

It is an amenable number.

2012112133 is a deficient number, since it is larger than the sum of its proper divisors (212584187).

2012112133 is a wasteful number, since it uses less digits than its factorization.

2012112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2012112133 is about 44856.5729074346. The cubic root of 2012112133 is about 1262.4593213440.

Adding to 2012112133 its reverse (3312112102), we get a palindrome (5324224235).

The spelling of 2012112133 in words is "two billion, twelve million, one hundred twelve thousand, one hundred thirty-three".