12663065870 has 64 divisors (see below), whose sum is σ = 28315961856. Its totient is φ = 3970166400.

The previous prime is 12663065839. The next prime is 12663065873. The reversal of 12663065870 is 7856036621.

12663065870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663065873) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 32345 + ... + 162395.

It is an arithmetic number, because the mean of its divisors is an integer number (442436904).

Almost surely, 2^12663065870 is an apocalyptic number.

12663065870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12663065870 is an abundant number, since it is smaller than the sum of its proper divisors (15652895986).

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

12663065870 is a wasteful number, since it uses less digits than its factorization.

12663065870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130185.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 12663065870 in words is "twelve billion, six hundred sixty-three million, sixty-five thousand, eight hundred seventy".