12830227638 has 8 divisors (see below), whose sum is σ = 25660455288. Its totient is φ = 4276742544.

The previous prime is 12830227567. The next prime is 12830227667. The reversal of 12830227638 is 83672203821.

It is a sphenic number, since it is the product of 3 distinct primes.

12830227638 is an admirable number.

It is a super-2 number, since 2×12830227638² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12830227638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069185631 + ... + 1069185642.

It is an arithmetic number, because the mean of its divisors is an integer number (3207556911).

Almost surely, 2^12830227638 is an apocalyptic number.

12830227638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12830227638 is a wasteful number, since it uses less digits than its factorization.

12830227638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138371278.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 12830227638 in words is "twelve billion, eight hundred thirty million, two hundred twenty-seven thousand, six hundred thirty-eight".