203230313012 has 12 divisors (see below), whose sum is σ = 367916946180. Its totient is φ = 98111185536.

The previous prime is 203230313003. The next prime is 203230313071. The reversal of 203230313012 is 210313032302.

It can be written as a sum of positive squares in 2 ways, for example, as 72067550116 + 131162762896 = 268454^2 + 362164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875992613 + ... + 875992844.

It is an arithmetic number, because the mean of its divisors is an integer number (30659745515).

Almost surely, 2^203230313012 is an apocalyptic number.

It is an amenable number.

203230313012 is a deficient number, since it is larger than the sum of its proper divisors (164686633168).

203230313012 is a wasteful number, since it uses less digits than its factorization.

203230313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751985490 (or 1751985488 counting only the distinct ones).

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

Adding to 203230313012 its reverse (210313032302), we get a palindrome (413543345314).

The spelling of 203230313012 in words is "two hundred three billion, two hundred thirty million, three hundred thirteen thousand, twelve".