203401012 has 24 divisors (see below), whose sum is σ = 373736160. Its totient is φ = 96724320.

The previous prime is 203400997. The next prime is 203401021. The reversal of 203401012 is 210104302.

It is a junction number, because it is equal to n+sod(n) for n = 203400983 and 203401001.

It is a congruent number.

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, 5314 + ... + 20857.

It is an arithmetic number, because the mean of its divisors is an integer number (15572340).

Almost surely, 2^203401012 is an apocalyptic number.

It is an amenable number.

203401012 is a deficient number, since it is larger than the sum of its proper divisors (170335148).

203401012 is a wasteful number, since it uses less digits than its factorization.

203401012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26271 (or 26269 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 203401012 is about 14261.8726680615. The cubic root of 203401012 is about 588.0998064341.

Adding to 203401012 its reverse (210104302), we get a palindrome (413505314).

The spelling of 203401012 in words is "two hundred three million, four hundred one thousand, twelve".