3303121212 has 72 divisors (see below), whose sum is σ = 8641756032. Its totient is φ = 1063065600.

The previous prime is 3303121181. The next prime is 3303121229. The reversal of 3303121212 is 2121213033.

3303121212 is a `hidden beast` number, since 330 + 3 + 121 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131637 + ... + 154707.

Almost surely, 2^3303121212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3303121212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4320878016).

3303121212 is an abundant number, since it is smaller than the sum of its proper divisors (5338634820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3303121212 is a wasteful number, since it uses less digits than its factorization.

3303121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23219 (or 23214 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3303121212 is about 57472.7867081456. The cubic root of 3303121212 is about 1489.2747866394.

Adding to 3303121212 its reverse (2121213033), we get a palindrome (5424334245).

The spelling of 3303121212 in words is "three billion, three hundred three million, one hundred twenty-one thousand, two hundred twelve".