12011220110189 has 2 divisors, whose sum is σ = 12011220110190. Its totient is φ = 12011220110188.

The previous prime is 12011220110147. The next prime is 12011220110209. The reversal of 12011220110189 is 98101102211021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11795673477289 + 215546632900 = 3434483^2 + 464270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011220110189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011220110119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005610055094 + 6005610055095.

It is an arithmetic number, because the mean of its divisors is an integer number (6005610055095).

Almost surely, 2^{12011220110189} is an apocalyptic number.

It is an amenable number.

12011220110189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011220110189 is an equidigital number, since it uses as much as digits as its factorization.

12011220110189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 12011220110189 in words is "twelve trillion, eleven billion, two hundred twenty million, one hundred ten thousand, one hundred eighty-nine".