3012042321 has 8 divisors (see below), whose sum is σ = 4462284960. Its totient is φ = 2008028196.

The previous prime is 3012042263. The next prime is 3012042347. The reversal of 3012042321 is 1232402103.

3012042321 is a `hidden beast` number, since 301 + 2 + 0 + 42 + 321 = 666.

It is not a de Polignac number, because 3012042321 - 2²² = 3007848017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3012042294 and 3012042303.

It is not an unprimeable number, because it can be changed into a prime (3012042221) 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, 55778535 + ... + 55778588.

It is an arithmetic number, because the mean of its divisors is an integer number (557785620).

Almost surely, 2^3012042321 is an apocalyptic number.

It is an amenable number.

3012042321 is a deficient number, since it is larger than the sum of its proper divisors (1450242639).

3012042321 is a wasteful number, since it uses less digits than its factorization.

3012042321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111557132 (or 111557126 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3012042321 is about 54882.0765004386. The cubic root of 3012042321 is about 1444.1767752993.

Adding to 3012042321 its reverse (1232402103), we get a palindrome (4244444424).

The spelling of 3012042321 in words is "three billion, twelve million, forty-two thousand, three hundred twenty-one".