3012113221 has 8 divisors (see below), whose sum is σ = 3244714200. Its totient is φ = 2779640832.

The previous prime is 3012113219. The next prime is 3012113267. The reversal of 3012113221 is 1223112103.

It can be written as a sum of positive squares in 4 ways, for example, as 97732996 + 2914380225 = 9886^2 + 53985^2 .

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 3012113221 - 2¹ = 3012113219 is a prime.

It is a super-2 number, since 2×3012113221² = 18145652112245989682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3012113195 and 3012113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012113021) 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, 19605 + ... + 80053.

It is an arithmetic number, because the mean of its divisors is an integer number (405589275).

Almost surely, 2^3012113221 is an apocalyptic number.

It is an amenable number.

3012113221 is a deficient number, since it is larger than the sum of its proper divisors (232600979).

3012113221 is a wasteful number, since it uses less digits than its factorization.

3012113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64295.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3012113221 is about 54882.7224270079. The cubic root of 3012113221 is about 1444.1881066286.

Adding to 3012113221 its reverse (1223112103), we get a palindrome (4235225324).

The spelling of 3012113221 in words is "three billion, twelve million, one hundred thirteen thousand, two hundred twenty-one".