503220120000 has 560 divisors, whose sum is σ = 1803648147840. Its totient is φ = 123047424000.

The previous prime is 503220119989. The next prime is 503220120037. The reversal of 503220120000 is 21022305.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 254279011 + ... + 254280989.

It is an arithmetic number, because the mean of its divisors is an integer number (3220800264).

Almost surely, 2^503220120000 is an apocalyptic number.

503220120000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503220120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901824073920).

503220120000 is an abundant number, since it is smaller than the sum of its proper divisors (1300428027840).

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

503220120000 is a wasteful number, since it uses less digits than its factorization.

503220120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

Adding to 503220120000 its reverse (21022305), we get a palindrome (503241142305).

The spelling of 503220120000 in words is "five hundred three billion, two hundred twenty million, one hundred twenty thousand".