3220012013 has 4 divisors (see below), whose sum is σ = 3331046940. Its totient is φ = 3108977088.

The previous prime is 3220012009. The next prime is 3220012049. The reversal of 3220012013 is 3102100223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3102100223 = 22093 ⋅140411.

It can be written as a sum of positive squares in 2 ways, for example, as 758066089 + 2461945924 = 27533^2 + 49618^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220012013 - 2² = 3220012009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220012513) 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, 55517420 + ... + 55517477.

It is an arithmetic number, because the mean of its divisors is an integer number (832761735).

Almost surely, 2^3220012013 is an apocalyptic number.

It is an amenable number.

3220012013 is a deficient number, since it is larger than the sum of its proper divisors (111034927).

3220012013 is a wasteful number, since it uses less digits than its factorization.

3220012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111034926.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3220012013 is about 56745.1496869997. The cubic root of 3220012013 is about 1476.6780882982.

Adding to 3220012013 its reverse (3102100223), we get a palindrome (6322112236).

The spelling of 3220012013 in words is "three billion, two hundred twenty million, twelve thousand, thirteen".