12368845845 has 54 divisors (see below), whose sum is σ = 21886758114. Its totient is φ = 6461831040.

The previous prime is 12368845823. The next prime is 12368845871. The reversal of 12368845845 is 54854886321.

12368845845 is a `hidden beast` number, since 123 + 68 + 8 + 458 + 4 + 5 = 666.

12368845845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2857330116 + 9511515729 = 53454^2 + 97527^2 .

It is not a de Polignac number, because 12368845845 - 2⁶ = 12368845781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12368845791 and 12368845800.

It is a congruent number.

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 53 ways as a sum of consecutive naturals, for example, 44017105 + ... + 44017385.

Almost surely, 2^12368845845 is an apocalyptic number.

12368845845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12368845845 is a deficient number, since it is larger than the sum of its proper divisors (9517912269).

12368845845 is an frugal number, since it uses more digits than its factorization.

12368845845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 348 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 54.

The spelling of 12368845845 in words is "twelve billion, three hundred sixty-eight million, eight hundred forty-five thousand, eight hundred forty-five".