203303312012 has 6 divisors (see below), whose sum is σ = 355780796028. Its totient is φ = 101651656004.

The previous prime is 203303311993. The next prime is 203303312027. The reversal of 203303312012 is 210213303302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25412913998 + ... + 25412914005.

It is an arithmetic number, because the mean of its divisors is an integer number (59296799338).

Almost surely, 2^203303312012 is an apocalyptic number.

It is an amenable number.

203303312012 is a deficient number, since it is larger than the sum of its proper divisors (152477484016).

203303312012 is a wasteful number, since it uses less digits than its factorization.

203303312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50825828007 (or 50825828005 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 203303312012 its reverse (210213303302), we get a palindrome (413516615314).

The spelling of 203303312012 in words is "two hundred three billion, three hundred three million, three hundred twelve thousand, twelve".