203012000012 has 12 divisors (see below), whose sum is σ = 359262809640. Its totient is φ = 100365482976.

The previous prime is 203011999991. The next prime is 203012000027. The reversal of 203012000012 is 210000210302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203011999957 and 203012000002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285128858 + ... + 285129569.

It is an arithmetic number, because the mean of its divisors is an integer number (29938567470).

Almost surely, 2^203012000012 is an apocalyptic number.

It is an amenable number.

203012000012 is a deficient number, since it is larger than the sum of its proper divisors (156250809628).

203012000012 is a wasteful number, since it uses less digits than its factorization.

203012000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570258520 (or 570258518 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 203012000012 its reverse (210000210302), we get a palindrome (413012210314).

The spelling of 203012000012 in words is "two hundred three billion, twelve million, twelve", and thus it is an aban number.