3012010221 has 16 divisors (see below), whose sum is σ = 4382233920. Its totient is φ = 1824990720.

The previous prime is 3012010219. The next prime is 3012010229. The reversal of 3012010221 is 1220102103.

It is not a de Polignac number, because 3012010221 - 2¹ = 3012010219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3012010197 and 3012010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012010229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152701 + ... + 171293.

It is an arithmetic number, because the mean of its divisors is an integer number (273889620).

Almost surely, 2^3012010221 is an apocalyptic number.

It is an amenable number.

3012010221 is a deficient number, since it is larger than the sum of its proper divisors (1370223699).

3012010221 is a wasteful number, since it uses less digits than its factorization.

3012010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23516.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3012010221 is about 54881.7840544565. The cubic root of 3012010221 is about 1444.1716449775.

Adding to 3012010221 its reverse (1220102103), we get a palindrome (4232112324).

The spelling of 3012010221 in words is "three billion, twelve million, ten thousand, two hundred twenty-one".