671205712203 has 12 divisors (see below), whose sum is σ = 1044097774720. Its totient is φ = 413049668976.

The previous prime is 671205712171. The next prime is 671205712207. The reversal of 671205712203 is 302217502176.

671205712203 is a `hidden beast` number, since 67 + 1 + 2 + 0 + 571 + 2 + 20 + 3 = 666.

671205712203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 671205712203 - 2⁵ = 671205712171 is a prime.

It is a super-2 number, since 2×671205712203² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671205712207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2868400363 + ... + 2868400596.

Almost surely, 2^671205712203 is an apocalyptic number.

671205712203 is a deficient number, since it is larger than the sum of its proper divisors (372892062517).

671205712203 is a wasteful number, since it uses less digits than its factorization.

671205712203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736800978 (or 5736800975 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The spelling of 671205712203 in words is "six hundred seventy-one billion, two hundred five million, seven hundred twelve thousand, two hundred three".