203012110012 has 18 divisors (see below), whose sum is σ = 362990998832. Its totient is φ = 99346347384.

The previous prime is 203012110009. The next prime is 203012110069. The reversal of 203012110012 is 210011210302.

It is a junction number, because it is equal to n+sod(n) for n = 203012109974 and 203012110001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11478948 + ... + 11496619.

Almost surely, 2^203012110012 is an apocalyptic number.

It is an amenable number.

203012110012 is a deficient number, since it is larger than the sum of its proper divisors (159978888820).

203012110012 is a wasteful number, since it uses less digits than its factorization.

203012110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22975665 (or 22975616 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 203012110012 its reverse (210011210302), we get a palindrome (413023320314).

The spelling of 203012110012 in words is "two hundred three billion, twelve million, one hundred ten thousand, twelve".