503221163012 has 12 divisors (see below), whose sum is σ = 881240634960. Its totient is φ = 251438124456.

The previous prime is 503221162999. The next prime is 503221163047. The reversal of 503221163012 is 210361122305.

It is a happy 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, 43107698 + ... + 43119369.

It is an arithmetic number, because the mean of its divisors is an integer number (73436719580).

Almost surely, 2^503221163012 is an apocalyptic number.

It is an amenable number.

503221163012 is a deficient number, since it is larger than the sum of its proper divisors (378019471948).

503221163012 is a wasteful number, since it uses less digits than its factorization.

503221163012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86228530 (or 86228528 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 503221163012 its reverse (210361122305), we get a palindrome (713582285317).

The spelling of 503221163012 in words is "five hundred three billion, two hundred twenty-one million, one hundred sixty-three thousand, twelve".