2012101271 has 2 divisors, whose sum is σ = 2012101272. Its totient is φ = 2012101270.

The previous prime is 2012101243. The next prime is 2012101277. The reversal of 2012101271 is 1721012102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012101271 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012101277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006050635 + 1006050636.

It is an arithmetic number, because the mean of its divisors is an integer number (1006050636).

Almost surely, 2^2012101271 is an apocalyptic number.

2012101271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012101271 is an equidigital number, since it uses as much as digits as its factorization.

2012101271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 2012101271 is about 44856.4518324845. The cubic root of 2012101271 is about 1262.4570496253.

Adding to 2012101271 its reverse (1721012102), we get a palindrome (3733113373).

The spelling of 2012101271 in words is "two billion, twelve million, one hundred one thousand, two hundred seventy-one".