12808918132 has 12 divisors (see below), whose sum is σ = 23390198496. Its totient is φ = 6126004280.

The previous prime is 12808918123. The next prime is 12808918139. The reversal of 12808918132 is 23181980821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12808918139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69613594 + ... + 69613777.

It is an arithmetic number, because the mean of its divisors is an integer number (1949183208).

Almost surely, 2^12808918132 is an apocalyptic number.

It is an amenable number.

12808918132 is a deficient number, since it is larger than the sum of its proper divisors (10581280364).

12808918132 is a wasteful number, since it uses less digits than its factorization.

12808918132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139227398 (or 139227396 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 43.

The spelling of 12808918132 in words is "twelve billion, eight hundred eight million, nine hundred eighteen thousand, one hundred thirty-two".