3204212321 has 16 divisors (see below), whose sum is σ = 3344179968. Its totient is φ = 3067243200.

The previous prime is 3204212311. The next prime is 3204212329. The reversal of 3204212321 is 1232124023.

It is a cyclic number.

It is not a de Polignac number, because 3204212321 - 2⁶ = 3204212257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3204212293 and 3204212302.

It is not an unprimeable number, because it can be changed into a prime (3204212329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1656671 + ... + 1658603.

It is an arithmetic number, because the mean of its divisors is an integer number (209011248).

Almost surely, 2^3204212321 is an apocalyptic number.

It is an amenable number.

3204212321 is a deficient number, since it is larger than the sum of its proper divisors (139967647).

3204212321 is a wasteful number, since it uses less digits than its factorization.

3204212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3204212321 is about 56605.7622596852. The cubic root of 3204212321 is about 1474.2589127494.

Adding to 3204212321 its reverse (1232124023), we get a palindrome (4436336344).

The spelling of 3204212321 in words is "three billion, two hundred four million, two hundred twelve thousand, three hundred twenty-one".