503221045012 has 48 divisors (see below), whose sum is σ = 1041315408000. Its totient is φ = 208195714944.

The previous prime is 503221045009. The next prime is 503221045087. The reversal of 503221045012 is 210540122305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5327814 + ... + 5421442.

It is an arithmetic number, because the mean of its divisors is an integer number (21694071000).

Almost surely, 2^503221045012 is an apocalyptic number.

It is an amenable number.

503221045012 is an abundant number, since it is smaller than the sum of its proper divisors (538094362988).

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

503221045012 is a wasteful number, since it uses less digits than its factorization.

503221045012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100288 (or 100286 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 503221045012 its reverse (210540122305), we get a palindrome (713761167317).

The spelling of 503221045012 in words is "five hundred three billion, two hundred twenty-one million, forty-five thousand, twelve".