12012558326868 has 96 divisors (see below), whose sum is σ = 31782198551040. Its totient is φ = 3499113997440.

The previous prime is 12012558326827. The next prime is 12012558326891. The reversal of 12012558326868 is 86862385521021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14411338 + ... + 15222081.

It is an arithmetic number, because the mean of its divisors is an integer number (331064568240).

Almost surely, 2^{12012558326868} is an apocalyptic number.

It is an amenable number.

12012558326868 is an abundant number, since it is smaller than the sum of its proper divisors (19769640224172).

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

12012558326868 is a wasteful number, since it uses less digits than its factorization.

12012558326868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29633557 (or 29633555 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 57.

The spelling of 12012558326868 in words is "twelve trillion, twelve billion, five hundred fifty-eight million, three hundred twenty-six thousand, eight hundred sixty-eight".