3012330213221 has 4 divisors (see below), whose sum is σ = 3442663100832. Its totient is φ = 2581997325612.

The previous prime is 3012330213209. The next prime is 3012330213223. The reversal of 3012330213221 is 1223120332103.

3012330213221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3012330213221 - 2¹⁸ = 3012329951077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012330213223) 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, 215166443795 + ... + 215166443808.

It is an arithmetic number, because the mean of its divisors is an integer number (860665775208).

Almost surely, 2^{3012330213221} is an apocalyptic number.

It is an amenable number.

3012330213221 is a deficient number, since it is larger than the sum of its proper divisors (430332887611).

3012330213221 is an equidigital number, since it uses as much as digits as its factorization.

3012330213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430332887610.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3012330213221 its reverse (1223120332103), we get a palindrome (4235450545324).

The spelling of 3012330213221 in words is "three trillion, twelve billion, three hundred thirty million, two hundred thirteen thousand, two hundred twenty-one".