12182811426 has 32 divisors (see below), whose sum is σ = 27099604800. Its totient is φ = 4056933600.

The previous prime is 12182811409. The next prime is 12182811461. The reversal of 12182811426 is 62411828121.

12182811426 is a `hidden beast` number, since 1 + 218 + 2 + 8 + 11 + 426 = 666.

12182811426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 15 ways as a sum of consecutive naturals, for example, 55675 + ... + 165726.

It is an arithmetic number, because the mean of its divisors is an integer number (846862650).

Almost surely, 2^12182811426 is an apocalyptic number.

12182811426 is an abundant number, since it is smaller than the sum of its proper divisors (14916793374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12182811426 is a wasteful number, since it uses less digits than its factorization.

12182811426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222431 (or 222425 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The spelling of 12182811426 in words is "twelve billion, one hundred eighty-two million, eight hundred eleven thousand, four hundred twenty-six".