3012042991 has 2 divisors, whose sum is σ = 3012042992. Its totient is φ = 3012042990.

The previous prime is 3012042989. The next prime is 3012043031. The reversal of 3012042991 is 1992402103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3012042991 - 2¹ = 3012042989 is a prime.

Together with 3012042989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3012042941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506021495 + 1506021496.

It is an arithmetic number, because the mean of its divisors is an integer number (1506021496).

Almost surely, 2^3012042991 is an apocalyptic number.

3012042991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012042991 is an equidigital number, since it uses as much as digits as its factorization.

3012042991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 3012042991 is about 54882.0826044348. The cubic root of 3012042991 is about 1444.1768823804.

The spelling of 3012042991 in words is "three billion, twelve million, forty-two thousand, nine hundred ninety-one".