503344420012 has 12 divisors (see below), whose sum is σ = 1006688840080. Its totient is φ = 215719037136.

The previous prime is 503344419971. The next prime is 503344420013. The reversal of 503344420012 is 210024443305.

It is a happy number.

503344420012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 17976586429 = 503344420012 / (5 + 0 + 3 + 3 + 4 + 4 + 4 + 2 + 0 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (503344420013) 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 3 ways as a sum of consecutive naturals, for example, 8988293187 + ... + 8988293242.

Almost surely, 2^503344420012 is an apocalyptic number.

It is an amenable number.

503344420012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

503344420012 is a wasteful number, since it uses less digits than its factorization.

503344420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17976586440 (or 17976586438 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 503344420012 its reverse (210024443305), we get a palindrome (713368863317).

The spelling of 503344420012 in words is "five hundred three billion, three hundred forty-four million, four hundred twenty thousand, twelve".