12583421333508 has 48 divisors (see below), whose sum is σ = 29647864431360. Its totient is φ = 4153605302784.

The previous prime is 12583421333467. The next prime is 12583421333591. The reversal of 12583421333508 is 80533312438521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2680060 + ... + 5687667.

It is an arithmetic number, because the mean of its divisors is an integer number (617663842320).

Almost surely, 2^{12583421333508} is an apocalyptic number.

It is an amenable number.

12583421333508 is an abundant number, since it is smaller than the sum of its proper divisors (17064443097852).

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

12583421333508 is a wasteful number, since it uses less digits than its factorization.

12583421333508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368956 (or 8368954 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 12583421333508 in words is "twelve trillion, five hundred eighty-three billion, four hundred twenty-one million, three hundred thirty-three thousand, five hundred eight".