3012000991 has 2 divisors, whose sum is σ = 3012000992. Its totient is φ = 3012000990.

The previous prime is 3012000989. The next prime is 3012000997. The reversal of 3012000991 is 1990002103.

It is a weak prime.

It is an emirp because it is prime and its reverse (1990002103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3012000991 - 2¹ = 3012000989 is a prime.

Together with 3012000989, 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 (3012000997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506000495 + 1506000496.

It is an arithmetic number, because the mean of its divisors is an integer number (1506000496).

Almost surely, 2^3012000991 is an apocalyptic number.

3012000991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012000991 is an equidigital number, since it uses as much as digits as its factorization.

3012000991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 3012000991 is about 54881.6999645601. The cubic root of 3012000991 is about 1444.1701698035.

The spelling of 3012000991 in words is "three billion, twelve million, nine hundred ninety-one", and thus it is an aban number.