3012112321 has 2 divisors, whose sum is σ = 3012112322. Its totient is φ = 3012112320.

The previous prime is 3012112291. The next prime is 3012112423. The reversal of 3012112321 is 1232112103.

3012112321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2950662400 + 61449921 = 54320^2 + 7839^2 .

It is a cyclic number.

It is not a de Polignac number, because 3012112321 - 2¹¹ = 3012110273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3012112295 and 3012112304.

It is not a weakly prime, because it can be changed into another prime (3012115321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506056160 + 1506056161.

It is an arithmetic number, because the mean of its divisors is an integer number (1506056161).

Almost surely, 2^3012112321 is an apocalyptic number.

It is an amenable number.

3012112321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012112321 is an equidigital number, since it uses as much as digits as its factorization.

3012112321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3012112321 is about 54882.7142277056. The cubic root of 3012112321 is about 1444.1879627906.

Adding to 3012112321 its reverse (1232112103), we get a palindrome (4244224424).

The spelling of 3012112321 in words is "three billion, twelve million, one hundred twelve thousand, three hundred twenty-one".