203010012 has 18 divisors (see below), whose sum is σ = 513164288. Its totient is φ = 67669992.

The previous prime is 203010011. The next prime is 203010019. The reversal of 203010012 is 210010302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 203009976 and 203010003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203010011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2819548 + ... + 2819619.

Almost surely, 2^203010012 is an apocalyptic number.

It is an amenable number.

203010012 is an abundant number, since it is smaller than the sum of its proper divisors (310154276).

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

203010012 is a wasteful number, since it uses less digits than its factorization.

203010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639177 (or 5639172 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 203010012 is about 14248.1581967635. The cubic root of 203010012 is about 587.7227278036.

Adding to 203010012 its reverse (210010302), we get a palindrome (413020314).

The spelling of 203010012 in words is "two hundred three million, ten thousand, twelve".