3222121211212 has 24 divisors (see below), whose sum is σ = 5995381855680. Its totient is φ = 1509948007680.

The previous prime is 3222121211209. The next prime is 3222121211269. The reversal of 3222121211212 is 2121121212223.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99113739 + ... + 99146242.

It is an arithmetic number, because the mean of its divisors is an integer number (249807577320).

Almost surely, 2^{3222121211212} is an apocalyptic number.

It is an amenable number.

3222121211212 is a deficient number, since it is larger than the sum of its proper divisors (2773260644468).

3222121211212 is a wasteful number, since it uses less digits than its factorization.

3222121211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198260241 (or 198260239 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

Adding to 3222121211212 its reverse (2121121212223), we get a palindrome (5343242423435).

The spelling of 3222121211212 in words is "three trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred eleven thousand, two hundred twelve".