203210012 has 6 divisors (see below), whose sum is σ = 355617528. Its totient is φ = 101605004.

The previous prime is 203210009. The next prime is 203210071. The reversal of 203210012 is 210012302.

It is a happy number.

203210012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 203209975 and 203210002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25401248 + ... + 25401255.

It is an arithmetic number, because the mean of its divisors is an integer number (59269588).

Almost surely, 2^203210012 is an apocalyptic number.

It is an amenable number.

203210012 is a deficient number, since it is larger than the sum of its proper divisors (152407516).

203210012 is a wasteful number, since it uses less digits than its factorization.

203210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50802507 (or 50802505 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 203210012 is about 14255.1749200071. The cubic root of 203210012 is about 587.9156673290.

Adding to 203210012 its reverse (210012302), we get a palindrome (413222314).

The spelling of 203210012 in words is "two hundred three million, two hundred ten thousand, twelve".