3012100991 has 2 divisors, whose sum is σ = 3012100992. Its totient is φ = 3012100990.

The previous prime is 3012100967. The next prime is 3012101051. The reversal of 3012100991 is 1990012103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3012100991 - 2²² = 3007906687 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3012100991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3012180991) 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 as a sum of consecutive naturals, namely, 1506050495 + 1506050496.

It is an arithmetic number, because the mean of its divisors is an integer number (1506050496).

Almost surely, 2^3012100991 is an apocalyptic number.

3012100991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012100991 is an equidigital number, since it uses as much as digits as its factorization.

3012100991 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 26.

The square root of 3012100991 is about 54882.6110074949. The cubic root of 3012100991 is about 1444.1861520269.

The spelling of 3012100991 in words is "three billion, twelve million, one hundred thousand, nine hundred ninety-one".