12858210523882 has 4 divisors (see below), whose sum is σ = 19287315785826. Its totient is φ = 6429105261940.

The previous prime is 12858210523813. The next prime is 12858210523897. The reversal of 12858210523882 is 28832501285821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12127799285001 + 730411238881 = 3482499^2 + 854641^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214552630969 + ... + 3214552630972.

Almost surely, 2^{12858210523882} is an apocalyptic number.

12858210523882 is a deficient number, since it is larger than the sum of its proper divisors (6429105261944).

12858210523882 is an equidigital number, since it uses as much as digits as its factorization.

12858210523882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429105261943.

The product of its (nonzero) digits is 4915200, while the sum is 55.

The spelling of 12858210523882 in words is "twelve trillion, eight hundred fifty-eight billion, two hundred ten million, five hundred twenty-three thousand, eight hundred eighty-two".