12422068578558 has 48 divisors (see below), whose sum is σ = 28335134851920. Its totient is φ = 3922190633088.

The previous prime is 12422068578551. The next prime is 12422068578571. The reversal of 12422068578558 is 85587586022421.

12422068578558 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 2 + 0 + 6 + 8 + 5 + 78 + 558 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12422068578495 and 12422068578504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422068578551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259935 + ... + 4991162.

It is an arithmetic number, because the mean of its divisors is an integer number (590315309415).

Almost surely, 2^{12422068578558} is an apocalyptic number.

12422068578558 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12422068578558 is an abundant number, since it is smaller than the sum of its proper divisors (15913066273362).

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

12422068578558 is a wasteful number, since it uses less digits than its factorization.

12422068578558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258041 (or 5258038 counting only the distinct ones).

The product of its (nonzero) digits is 86016000, while the sum is 63.

The spelling of 12422068578558 in words is "twelve trillion, four hundred twenty-two billion, sixty-eight million, five hundred seventy-eight thousand, five hundred fifty-eight".