12908819878582 has 32 divisors (see below), whose sum is σ = 19426048948800. Its totient is φ = 6433515124608.

The previous prime is 12908819878457. The next prime is 12908819878613. The reversal of 12908819878582 is 28587891880921.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12908819878499 and 12908819878508.

It is a congruent number.

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, 2289200919 + ... + 2289206557.

It is an arithmetic number, because the mean of its divisors is an integer number (607064029650).

Almost surely, 2^{12908819878582} is an apocalyptic number.

12908819878582 is a deficient number, since it is larger than the sum of its proper divisors (6517229070218).

12908819878582 is a wasteful number, since it uses less digits than its factorization.

12908819878582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000.

The product of its (nonzero) digits is 371589120, while the sum is 76.

The spelling of 12908819878582 in words is "twelve trillion, nine hundred eight billion, eight hundred nineteen million, eight hundred seventy-eight thousand, five hundred eighty-two".