203013012012 has 12 divisors (see below), whose sum is σ = 473697028056. Its totient is φ = 67671004000.

The previous prime is 203013011941. The next prime is 203013012023. The reversal of 203013012012 is 210210310302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 203013011982 and 203013012000.

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, 8458875489 + ... + 8458875512.

It is an arithmetic number, because the mean of its divisors is an integer number (39474752338).

Almost surely, 2^203013012012 is an apocalyptic number.

It is an amenable number.

203013012012 is an abundant number, since it is smaller than the sum of its proper divisors (270684016044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203013012012 is a wasteful number, since it uses less digits than its factorization.

203013012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16917751008 (or 16917751006 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 203013012012 its reverse (210210310302), we get a palindrome (413223322314).

The spelling of 203013012012 in words is "two hundred three billion, thirteen million, twelve thousand, twelve".