12785327852 has 24 divisors (see below), whose sum is σ = 24411801792. Its totient is φ = 5810691600.

The previous prime is 12785327851. The next prime is 12785327903. The reversal of 12785327852 is 25872358721.

It is a self number, because there is not a number n which added to its sum of digits gives 12785327852.

It is not an unprimeable number, because it can be changed into a prime (12785327851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384023 + ... + 415985.

It is an arithmetic number, because the mean of its divisors is an integer number (1017158408).

Almost surely, 2^12785327852 is an apocalyptic number.

It is an amenable number.

12785327852 is a deficient number, since it is larger than the sum of its proper divisors (11626473940).

12785327852 is a wasteful number, since it uses less digits than its factorization.

12785327852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41069 (or 41067 counting only the distinct ones).

The product of its digits is 1881600, while the sum is 50.

The spelling of 12785327852 in words is "twelve billion, seven hundred eighty-five million, three hundred twenty-seven thousand, eight hundred fifty-two".