12186606682 has 4 divisors (see below), whose sum is σ = 18279910026. Its totient is φ = 6093303340.

The previous prime is 12186606661. The next prime is 12186606697. The reversal of 12186606682 is 28660668121.

12186606682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28660668121 = 971 ⋅29516651.

It can be written as a sum of positive squares in only one way, i.e., 7558389721 + 4628216961 = 86939^2 + 68031^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3046651669 + ... + 3046651672.

Almost surely, 2^12186606682 is an apocalyptic number.

12186606682 is a deficient number, since it is larger than the sum of its proper divisors (6093303344).

12186606682 is an equidigital number, since it uses as much as digits as its factorization.

12186606682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093303343.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 12186606682 in words is "twelve billion, one hundred eighty-six million, six hundred six thousand, six hundred eighty-two".