2012871911 has 2 divisors, whose sum is σ = 2012871912. Its totient is φ = 2012871910.

The previous prime is 2012871901. The next prime is 2012871919. The reversal of 2012871911 is 1191782102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012871911 - 2¹⁴ = 2012855527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012871919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006435955 + 1006435956.

It is an arithmetic number, because the mean of its divisors is an integer number (1006435956).

Almost surely, 2^2012871911 is an apocalyptic number.

2012871911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012871911 is an equidigital number, since it uses as much as digits as its factorization.

2012871911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 32.

The square root of 2012871911 is about 44865.0410787731. The cubic root of 2012871911 is about 1262.6182038266.

The spelling of 2012871911 in words is "two billion, twelve million, eight hundred seventy-one thousand, nine hundred eleven".