209030925612 has 48 divisors (see below), whose sum is σ = 506085194720. Its totient is φ = 67094894592.

The previous prime is 209030925611. The next prime is 209030925643. The reversal of 209030925612 is 216529030902.

209030925612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (209030925611) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2383687 + ... + 2469822.

Almost surely, 2^209030925612 is an apocalyptic number.

It is an amenable number.

209030925612 is an abundant number, since it is smaller than the sum of its proper divisors (297054269108).

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

209030925612 is a wasteful number, since it uses less digits than its factorization.

209030925612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853650 (or 4853648 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 209030925612 in words is "two hundred nine billion, thirty million, nine hundred twenty-five thousand, six hundred twelve".