500120997120 has 216 divisors, whose sum is σ = 1732596649056. Its totient is φ = 133193723904.

The previous prime is 500120997073. The next prime is 500120997133. The reversal of 500120997120 is 21799021005.

500120997120 is a `hidden beast` number, since 500 + 1 + 20 + 9 + 9 + 7 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9038659 + ... + 9093821.

Almost surely, 2^500120997120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500120997120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866298324528).

500120997120 is an abundant number, since it is smaller than the sum of its proper divisors (1232475651936).

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

500120997120 is a wasteful number, since it uses less digits than its factorization.

500120997120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55977 (or 55960 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 500120997120 in words is "five hundred billion, one hundred twenty million, nine hundred ninety-seven thousand, one hundred twenty".