12182109055 has 4 divisors (see below), whose sum is σ = 14618530872. Its totient is φ = 9745687240.

The previous prime is 12182109053. The next prime is 12182109077. The reversal of 12182109055 is 55090128121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12182109055 - 2¹ = 12182109053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12182109055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12182109053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218210901 + ... + 1218210910.

It is an arithmetic number, because the mean of its divisors is an integer number (3654632718).

Almost surely, 2^12182109055 is an apocalyptic number.

12182109055 is a deficient number, since it is larger than the sum of its proper divisors (2436421817).

12182109055 is an equidigital number, since it uses as much as digits as its factorization.

12182109055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436421816.

The product of its (nonzero) digits is 7200, while the sum is 34.

The spelling of 12182109055 in words is "twelve billion, one hundred eighty-two million, one hundred nine thousand, fifty-five".