3220121022212 has 12 divisors (see below), whose sum is σ = 5635240504656. Its totient is φ = 1610052306600.

The previous prime is 3220121022211. The next prime is 3220121022269. The reversal of 3220121022212 is 2122201210223.

It is not an unprimeable number, because it can be changed into a prime (3220121022211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121198 + ... + 2774405.

It is an arithmetic number, because the mean of its divisors is an integer number (469603375388).

Almost surely, 2^{3220121022212} is an apocalyptic number.

It is an amenable number.

3220121022212 is a deficient number, since it is larger than the sum of its proper divisors (2415119482444).

3220121022212 is a wasteful number, since it uses less digits than its factorization.

3220121022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102258 (or 4102256 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 3220121022212 its reverse (2122201210223), we get a palindrome (5342322232435).

The spelling of 3220121022212 in words is "three trillion, two hundred twenty billion, one hundred twenty-one million, twenty-two thousand, two hundred twelve".