13226643212 has 48 divisors (see below), whose sum is σ = 25598462400. Its totient is φ = 5947932672.

The previous prime is 13226643193. The next prime is 13226643233. The reversal of 13226643212 is 21234662231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1899914 + ... + 1906862.

It is an arithmetic number, because the mean of its divisors is an integer number (533301300).

Almost surely, 2^13226643212 is an apocalyptic number.

It is an amenable number.

13226643212 is a deficient number, since it is larger than the sum of its proper divisors (12371819188).

13226643212 is a wasteful number, since it uses less digits than its factorization.

13226643212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210 (or 8208 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The spelling of 13226643212 in words is "thirteen billion, two hundred twenty-six million, six hundred forty-three thousand, two hundred twelve".