503233213221 has 48 divisors (see below), whose sum is σ = 748825129728. Its totient is φ = 325497177600.

The previous prime is 503233213201. The next prime is 503233213271. The reversal of 503233213221 is 122312332305.

It is a happy number.

503233213221 is a `hidden beast` number, since 5 + 0 + 3 + 2 + 332 + 1 + 322 + 1 = 666.

It is not a de Polignac number, because 503233213221 - 2⁶ = 503233213157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503233213201) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 44095006 + ... + 44106416.

It is an arithmetic number, because the mean of its divisors is an integer number (15600523536).

Almost surely, 2^503233213221 is an apocalyptic number.

It is an amenable number.

503233213221 is a deficient number, since it is larger than the sum of its proper divisors (245591916507).

503233213221 is a wasteful number, since it uses less digits than its factorization.

503233213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12362 (or 12359 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 503233213221 its reverse (122312332305), we get a palindrome (625545545526).

The spelling of 503233213221 in words is "five hundred three billion, two hundred thirty-three million, two hundred thirteen thousand, two hundred twenty-one".