12268782850 has 12 divisors (see below), whose sum is σ = 22819936194. Its totient is φ = 4907513120.

The previous prime is 12268782821. The next prime is 12268782893. The reversal of 12268782850 is 5828786221.

It can be written as a sum of positive squares in 3 ways, for example, as 11420983161 + 847799689 = 106869^2 + 29117^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12268782794 and 12268782803.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122687779 + ... + 122687878.

Almost surely, 2^12268782850 is an apocalyptic number.

12268782850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12268782850 is a deficient number, since it is larger than the sum of its proper divisors (10551153344).

12268782850 is a wasteful number, since it uses less digits than its factorization.

12268782850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245375669 (or 245375664 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 12268782850 in words is "twelve billion, two hundred sixty-eight million, seven hundred eighty-two thousand, eight hundred fifty".