12428226250 has 40 divisors (see below), whose sum is σ = 25413265152. Its totient is φ = 4519350000.

The previous prime is 12428226247. The next prime is 12428226263. The reversal of 12428226250 is 5262282421.

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 in 19 ways as a sum of consecutive naturals, for example, 438186 + ... + 465685.

Almost surely, 2^12428226250 is an apocalyptic number.

12428226250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12428226250 is an abundant number, since it is smaller than the sum of its proper divisors (12985038902).

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

12428226250 is an equidigital number, since it uses as much as digits as its factorization.

12428226250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903904 (or 903889 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 12428226250 in words is "twelve billion, four hundred twenty-eight million, two hundred twenty-six thousand, two hundred fifty".