2012321033 has 4 divisors (see below), whose sum is σ = 2012412180. Its totient is φ = 2012229888.

The previous prime is 2012320997. The next prime is 2012321053. The reversal of 2012321033 is 3301232102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 313892089 + 1698428944 = 17717^2 + 41212^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012321033 - 2¹² = 2012316937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012321053) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10733 + ... + 64341.

It is an arithmetic number, because the mean of its divisors is an integer number (503103045).

Almost surely, 2^2012321033 is an apocalyptic number.

It is an amenable number.

2012321033 is a deficient number, since it is larger than the sum of its proper divisors (91147).

2012321033 is an equidigital number, since it uses as much as digits as its factorization.

2012321033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91146.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2012321033 is about 44858.9013797708. The cubic root of 2012321033 is about 1262.5030098677.

Adding to 2012321033 its reverse (3301232102), we get a palindrome (5313553135).

The spelling of 2012321033 in words is "two billion, twelve million, three hundred twenty-one thousand, thirty-three".