2012000191 has 2 divisors, whose sum is σ = 2012000192. Its totient is φ = 2012000190.

The previous prime is 2012000131. The next prime is 2012000219. The reversal of 2012000191 is 1910002102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012000191 - 2²⁷ = 1877782463 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012000131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006000095 + 1006000096.

It is an arithmetic number, because the mean of its divisors is an integer number (1006000096).

Almost surely, 2^2012000191 is an apocalyptic number.

2012000191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012000191 is an equidigital number, since it uses as much as digits as its factorization.

2012000191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 2012000191 is about 44855.3251130788. The cubic root of 2012000191 is about 1262.4359089904.

Adding to 2012000191 its reverse (1910002102), we get a palindrome (3922002293).

The spelling of 2012000191 in words is "two billion, twelve million, one hundred ninety-one", and thus it is an aban number.