203685012 has 36 divisors (see below), whose sum is σ = 515490976. Its totient is φ = 67813200.

The previous prime is 203685011. The next prime is 203685017. The reversal of 203685012 is 210586302.

203685012 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×203685012² = 82975168226880288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203685011) 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, 31887 + ... + 37737.

Almost surely, 2^203685012 is an apocalyptic number.

It is an amenable number.

203685012 is an abundant number, since it is smaller than the sum of its proper divisors (311805964).

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

203685012 is a wasteful number, since it uses less digits than its factorization.

203685012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6828 (or 6823 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 203685012 is about 14271.8258117173. The cubic root of 203685012 is about 588.3733918819.

The spelling of 203685012 in words is "two hundred three million, six hundred eighty-five thousand, twelve".