203030010012 has 48 divisors (see below), whose sum is σ = 493649724960. Its totient is φ = 64866020352.

The previous prime is 203030009993. The next prime is 203030010037. The reversal of 203030010012 is 210010030302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 203030010012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2081593 + ... + 2176944.

It is an arithmetic number, because the mean of its divisors is an integer number (10284369270).

Almost surely, 2^203030010012 is an apocalyptic number.

It is an amenable number.

203030010012 is an abundant number, since it is smaller than the sum of its proper divisors (290619714948).

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

203030010012 is a wasteful number, since it uses less digits than its factorization.

203030010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258710 (or 4258708 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 203030010012 its reverse (210010030302), we get a palindrome (413040040314).

The spelling of 203030010012 in words is "two hundred three billion, thirty million, ten thousand, twelve".