3200212021 has 2 divisors, whose sum is σ = 3200212022. Its totient is φ = 3200212020.

The previous prime is 3200211953. The next prime is 3200212051. The reversal of 3200212021 is 1202120023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3115314225 + 84897796 = 55815^2 + 9214^2 .

It is a cyclic number.

It is not a de Polignac number, because 3200212021 - 2²⁵ = 3166657589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3200211992 and 3200212010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3200212051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600106010 + 1600106011.

It is an arithmetic number, because the mean of its divisors is an integer number (1600106011).

Almost surely, 2^3200212021 is an apocalyptic number.

It is an amenable number.

3200212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200212021 is an equidigital number, since it uses as much as digits as its factorization.

3200212021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3200212021 is about 56570.4164824690. The cubic root of 3200212021 is about 1473.6451442392.

Adding to 3200212021 its reverse (1202120023), we get a palindrome (4402332044).

The spelling of 3200212021 in words is "three billion, two hundred million, two hundred twelve thousand, twenty-one".