12642226226 has 8 divisors (see below), whose sum is σ = 21672387840. Its totient is φ = 5418096948.

The previous prime is 12642226217. The next prime is 12642226241. The reversal of 12642226226 is 62262224621.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451508066 + ... + 451508093.

It is an arithmetic number, because the mean of its divisors is an integer number (2709048480).

Almost surely, 2^12642226226 is an apocalyptic number.

12642226226 is a deficient number, since it is larger than the sum of its proper divisors (9030161614).

12642226226 is an equidigital number, since it uses as much as digits as its factorization.

12642226226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903016168.

The product of its digits is 55296, while the sum is 35.

The spelling of 12642226226 in words is "twelve billion, six hundred forty-two million, two hundred twenty-six thousand, two hundred twenty-six".