12927828789842 has 16 divisors (see below), whose sum is σ = 19404055365912. Its totient is φ = 6459810685440.

The previous prime is 12927828789803. The next prime is 12927828789857. The reversal of 12927828789842 is 24898782872921.

12927828789842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 3595529²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 12444871897441 + 482956892401 = 3527729^2 + 694951^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87263792 + ... + 87411812.

Almost surely, 2^{12927828789842} is an apocalyptic number.

12927828789842 is a deficient number, since it is larger than the sum of its proper divisors (6476226576070).

12927828789842 is a wasteful number, since it uses less digits than its factorization.

12927828789842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175453.

The product of its digits is 1040449536, while the sum is 77.

The spelling of 12927828789842 in words is "twelve trillion, nine hundred twenty-seven billion, eight hundred twenty-eight million, seven hundred eighty-nine thousand, eight hundred forty-two".