2012333021 has 2 divisors, whose sum is σ = 2012333022. Its totient is φ = 2012333020.

The previous prime is 2012333017. The next prime is 2012333069. The reversal of 2012333021 is 1203332102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1922822500 + 89510521 = 43850^2 + 9461^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012333021 - 2² = 2012333017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012333321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006166510 + 1006166511.

It is an arithmetic number, because the mean of its divisors is an integer number (1006166511).

Almost surely, 2^2012333021 is an apocalyptic number.

It is an amenable number.

2012333021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012333021 is an equidigital number, since it uses as much as digits as its factorization.

2012333021 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2012333021 is about 44859.0349985374. The cubic root of 2012333021 is about 1262.5055168991.

Adding to 2012333021 its reverse (1203332102), we get a palindrome (3215665123).

The spelling of 2012333021 in words is "two billion, twelve million, three hundred thirty-three thousand, twenty-one".