209446675012 has 24 divisors (see below), whose sum is σ = 366975034272. Its totient is φ = 104596732800.

The previous prime is 209446674961. The next prime is 209446675121. The reversal of 209446675012 is 210576644902.

209446675012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17490187 + ... + 17502157.

It is an arithmetic number, because the mean of its divisors is an integer number (15290626428).

Almost surely, 2^209446675012 is an apocalyptic number.

It is an amenable number.

209446675012 is a deficient number, since it is larger than the sum of its proper divisors (157528359260).

209446675012 is a wasteful number, since it uses less digits than its factorization.

209446675012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16899 (or 16897 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 209446675012 in words is "two hundred nine billion, four hundred forty-six million, six hundred seventy-five thousand, twelve".