12826351425684 has 96 divisors (see below), whose sum is σ = 31495488192000. Its totient is φ = 4056690911616.

The previous prime is 12826351425653. The next prime is 12826351425689. The reversal of 12826351425684 is 48652415362821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12826351425689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61882647 + ... + 62089569.

It is an arithmetic number, because the mean of its divisors is an integer number (328078002000).

Almost surely, 2^{12826351425684} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12826351425684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15747744096000).

12826351425684 is an abundant number, since it is smaller than the sum of its proper divisors (18669136766316).

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

12826351425684 is a wasteful number, since it uses less digits than its factorization.

12826351425684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210037 (or 210035 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 57.

The spelling of 12826351425684 in words is "twelve trillion, eight hundred twenty-six billion, three hundred fifty-one million, four hundred twenty-five thousand, six hundred eighty-four".