2012011189 has 2 divisors, whose sum is σ = 2012011190. Its totient is φ = 2012011188.

The previous prime is 2012011171. The next prime is 2012011207. The reversal of 2012011189 is 9811102102.

It is a balanced prime because it is at equal distance from previous prime (2012011171) and next prime (2012011207).

It can be written as a sum of positive squares in only one way, i.e., 1538600625 + 473410564 = 39225^2 + 21758^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012011189 - 2⁹ = 2012010677 is a prime.

It is a super-2 number, since 2×2012011189² = 8096378049322387442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012011159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006005594 + 1006005595.

It is an arithmetic number, because the mean of its divisors is an integer number (1006005595).

Almost surely, 2^2012011189 is an apocalyptic number.

It is an amenable number.

2012011189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012011189 is an equidigital number, since it uses as much as digits as its factorization.

2012011189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 2012011189 is about 44855.4477070511. The cubic root of 2012011189 is about 1262.4382092295.

The spelling of 2012011189 in words is "two billion, twelve million, eleven thousand, one hundred eighty-nine".