3233212121 has 16 divisors (see below), whose sum is σ = 3456699840. Its totient is φ = 3015221760.

The previous prime is 3233212111. The next prime is 3233212123. The reversal of 3233212121 is 1212123323.

It is a cyclic number.

It is not a de Polignac number, because 3233212121 - 2⁶ = 3233212057 is a prime.

It is a super-3 number, since 3×3233212121³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3233212093 and 3233212102.

It is not an unprimeable number, because it can be changed into a prime (3233212123) 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 15 ways as a sum of consecutive naturals, for example, 820526 + ... + 824456.

It is an arithmetic number, because the mean of its divisors is an integer number (216043740).

Almost surely, 2^3233212121 is an apocalyptic number.

It is an amenable number.

3233212121 is a deficient number, since it is larger than the sum of its proper divisors (223487719).

3233212121 is a wasteful number, since it uses less digits than its factorization.

3233212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616.

The product of its digits is 432, while the sum is 20.

The square root of 3233212121 is about 56861.3411818610. The cubic root of 3233212121 is about 1478.6931672369.

Adding to 3233212121 its reverse (1212123323), we get a palindrome (4445335444).

The spelling of 3233212121 in words is "three billion, two hundred thirty-three million, two hundred twelve thousand, one hundred twenty-one".