501120223245120 has 56 divisors (see below), whose sum is σ = 1591056708806304. Its totient is φ = 133632059531776.

The previous prime is 501120223245101. The next prime is 501120223245143. The reversal of 501120223245120 is 21542322021105.

It is a super-2 number, since 2×501120223245120² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261000115314 + ... + 261000117233.

Almost surely, 2^{501120223245120} is an apocalyptic number.

It is an amenable number.

501120223245120 is an abundant number, since it is smaller than the sum of its proper divisors (1089936485561184).

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

501120223245120 is a wasteful number, since it uses less digits than its factorization.

501120223245120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522000232567 (or 522000232557 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 501120223245120 its reverse (21542322021105), we get a palindrome (522662545266225).

The spelling of 501120223245120 in words is "five hundred one trillion, one hundred twenty billion, two hundred twenty-three million, two hundred forty-five thousand, one hundred twenty".