2012021233 has 4 divisors (see below), whose sum is σ = 2015380800. Its totient is φ = 2008661668.

The previous prime is 2012021227. The next prime is 2012021243. The reversal of 2012021233 is 3321202102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3321202102 = 2 ⋅1660601051.

It is a cyclic number.

It is not a de Polignac number, because 2012021233 - 2¹³ = 2012013041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012021203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678885 + ... + 1680082.

It is an arithmetic number, because the mean of its divisors is an integer number (503845200).

Almost surely, 2^2012021233 is an apocalyptic number.

It is an amenable number.

2012021233 is a deficient number, since it is larger than the sum of its proper divisors (3359567).

2012021233 is an equidigital number, since it uses as much as digits as its factorization.

2012021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359566.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2012021233 is about 44855.5596665564. The cubic root of 2012021233 is about 1262.4403099316.

Adding to 2012021233 its reverse (3321202102), we get a palindrome (5333223335).

The spelling of 2012021233 in words is "two billion, twelve million, twenty-one thousand, two hundred thirty-three".