503221642412 has 48 divisors (see below), whose sum is σ = 951356448000. Its totient is φ = 232190629440.

The previous prime is 503221642393. The next prime is 503221642459. The reversal of 503221642412 is 214246122305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3371339 + ... + 3517437.

It is an arithmetic number, because the mean of its divisors is an integer number (19819926000).

Almost surely, 2^503221642412 is an apocalyptic number.

It is an amenable number.

503221642412 is a deficient number, since it is larger than the sum of its proper divisors (448134805588).

503221642412 is a wasteful number, since it uses less digits than its factorization.

503221642412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147446 (or 147444 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 503221642412 its reverse (214246122305), we get a palindrome (717467764717).

The spelling of 503221642412 in words is "five hundred three billion, two hundred twenty-one million, six hundred forty-two thousand, four hundred twelve".