3012123321 has 8 divisors (see below), whose sum is σ = 4462404960. Its totient is φ = 2008082196.

The previous prime is 3012123319. The next prime is 3012123329. The reversal of 3012123321 is 1233212103.

3012123321 is a `hidden beast` number, since 301 + 21 + 23 + 321 = 666.

It is not a de Polignac number, because 3012123321 - 2¹ = 3012123319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3012123294 and 3012123303.

It is not an unprimeable number, because it can be changed into a prime (3012123329) 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 7 ways as a sum of consecutive naturals, for example, 55780035 + ... + 55780088.

It is an arithmetic number, because the mean of its divisors is an integer number (557800620).

Almost surely, 2^3012123321 is an apocalyptic number.

It is an amenable number.

3012123321 is a deficient number, since it is larger than the sum of its proper divisors (1450281639).

3012123321 is a wasteful number, since it uses less digits than its factorization.

3012123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111560132 (or 111560126 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3012123321 is about 54882.8144413167. The cubic root of 3012123321 is about 1444.1897208091.

Adding to 3012123321 its reverse (1233212103), we get a palindrome (4245335424).

The spelling of 3012123321 in words is "three billion, twelve million, one hundred twenty-three thousand, three hundred twenty-one".