12110340181 has 2 divisors, whose sum is σ = 12110340182. Its totient is φ = 12110340180.

The previous prime is 12110340163. The next prime is 12110340323. The reversal of 12110340181 is 18104301121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12098020081 + 12320100 = 109991^2 + 3510^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110340181 - 2⁹ = 12110339669 is a prime.

It is a super-2 number, since 2×12110340181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12110340161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055170090 + 6055170091.

It is an arithmetic number, because the mean of its divisors is an integer number (6055170091).

Almost surely, 2^12110340181 is an apocalyptic number.

It is an amenable number.

12110340181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110340181 is an equidigital number, since it uses as much as digits as its factorization.

12110340181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

The spelling of 12110340181 in words is "twelve billion, one hundred ten million, three hundred forty thousand, one hundred eighty-one".