3220012121 has 8 divisors (see below), whose sum is σ = 3441965184. Its totient is φ = 3004888480.

The previous prime is 3220012111. The next prime is 3220012157. The reversal of 3220012121 is 1212100223.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3220012121 - 2⁶ = 3220012057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220012096 and 3220012105.

It is not an unprimeable number, because it can be changed into a prime (3220012111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1706381 + ... + 1708266.

It is an arithmetic number, because the mean of its divisors is an integer number (430245648).

Almost surely, 2^3220012121 is an apocalyptic number.

It is an amenable number.

3220012121 is a deficient number, since it is larger than the sum of its proper divisors (221953063).

3220012121 is a wasteful number, since it uses less digits than its factorization.

3220012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414711.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3220012121 is about 56745.1506386229. The cubic root of 3220012121 is about 1476.6781048076.

Adding to 3220012121 its reverse (1212100223), we get a palindrome (4432112344).

The spelling of 3220012121 in words is "three billion, two hundred twenty million, twelve thousand, one hundred twenty-one".