12555231716 has 12 divisors (see below), whose sum is σ = 22236374832. Its totient is φ = 6201981768.

The previous prime is 12555231671. The next prime is 12555231721. The reversal of 12555231716 is 61713255521.

12555231716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12555231716.

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 3 ways as a sum of consecutive naturals, for example, 18908150 + ... + 18908813.

It is an arithmetic number, because the mean of its divisors is an integer number (1853031236).

Almost surely, 2^12555231716 is an apocalyptic number.

It is an amenable number.

12555231716 is a deficient number, since it is larger than the sum of its proper divisors (9681143116).

12555231716 is a wasteful number, since it uses less digits than its factorization.

12555231716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37817050 (or 37817048 counting only the distinct ones).

The product of its digits is 63000, while the sum is 38.

The spelling of 12555231716 in words is "twelve billion, five hundred fifty-five million, two hundred thirty-one thousand, seven hundred sixteen".