522000512120 has 32 divisors (see below), whose sum is σ = 1225566421920. Its totient is φ = 199721934720.

The previous prime is 522000512081. The next prime is 522000512123. The reversal of 522000512120 is 21215000225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 522000512092 and 522000512101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522000512123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283695011 + ... + 283696850.

It is an arithmetic number, because the mean of its divisors is an integer number (38298950685).

Almost surely, 2^522000512120 is an apocalyptic number.

It is an amenable number.

522000512120 is an abundant number, since it is smaller than the sum of its proper divisors (703565909800).

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

522000512120 is a wasteful number, since it uses less digits than its factorization.

522000512120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567391895 (or 567391891 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 522000512120 its reverse (21215000225), we get a palindrome (543215512345).

The spelling of 522000512120 in words is "five hundred twenty-two billion, five hundred twelve thousand, one hundred twenty".