12785263216 has 40 divisors (see below), whose sum is σ = 27393608304. Its totient is φ = 5731868160.

The previous prime is 12785263213. The next prime is 12785263217. The reversal of 12785263216 is 61236258721.

12785263216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12785263213) 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 7 ways as a sum of consecutive naturals, for example, 484711 + ... + 510406.

Almost surely, 2^12785263216 is an apocalyptic number.

12785263216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12785263216 is an abundant number, since it is smaller than the sum of its proper divisors (14608345088).

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

12785263216 is a wasteful number, since it uses less digits than its factorization.

12785263216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995209 (or 995203 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The spelling of 12785263216 in words is "twelve billion, seven hundred eighty-five million, two hundred sixty-three thousand, two hundred sixteen".