3012032221 has 8 divisors (see below), whose sum is σ = 3286262304. Its totient is φ = 2737870320.

The previous prime is 3012032213. The next prime is 3012032279. The reversal of 3012032221 is 1222302103.

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 3012032221 - 2³ = 3012032213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3012032195 and 3012032204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012032281) 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, 132150 + ... + 153256.

It is an arithmetic number, because the mean of its divisors is an integer number (410782788).

Almost surely, 2^3012032221 is an apocalyptic number.

It is an amenable number.

3012032221 is a deficient number, since it is larger than the sum of its proper divisors (274230083).

3012032221 is a wasteful number, since it uses less digits than its factorization.

3012032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34091.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3012032221 is about 54881.9844848927. The cubic root of 3012032221 is about 1444.1751610899.

Adding to 3012032221 its reverse (1222302103), we get a palindrome (4234334324).

The spelling of 3012032221 in words is "three billion, twelve million, thirty-two thousand, two hundred twenty-one".