12850443278 has 4 divisors (see below), whose sum is σ = 19275664920. Its totient is φ = 6425221638.

The previous prime is 12850443269. The next prime is 12850443283. The reversal of 12850443278 is 87234405821.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212610818 + ... + 3212610821.

It is an arithmetic number, because the mean of its divisors is an integer number (4818916230).

Almost surely, 2^12850443278 is an apocalyptic number.

12850443278 is a deficient number, since it is larger than the sum of its proper divisors (6425221642).

12850443278 is an equidigital number, since it uses as much as digits as its factorization.

12850443278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425221641.

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 12850443278 in words is "twelve billion, eight hundred fifty million, four hundred forty-three thousand, two hundred seventy-eight".