203204120312 has 32 divisors (see below), whose sum is σ = 381748237200. Its totient is φ = 101404698624.

The previous prime is 203204120309. The next prime is 203204120341. The reversal of 203204120312 is 213021402302.

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, 29121368 + ... + 29128344.

Almost surely, 2^203204120312 is an apocalyptic number.

It is an amenable number.

203204120312 is a deficient number, since it is larger than the sum of its proper divisors (178544116888).

203204120312 is a wasteful number, since it uses less digits than its factorization.

203204120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13535 (or 13531 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 203204120312 its reverse (213021402302), we get a palindrome (416225522614).

The spelling of 203204120312 in words is "two hundred three billion, two hundred four million, one hundred twenty thousand, three hundred twelve".