120521334120 has 256 divisors, whose sum is σ = 399129569280. Its totient is φ = 28870732800.

The previous prime is 120521334083. The next prime is 120521334121. The reversal of 120521334120 is 21433125021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (120521334121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102921135 + ... + 102922305.

It is an arithmetic number, because the mean of its divisors is an integer number (1559099880).

Almost surely, 2^120521334120 is an apocalyptic number.

120521334120 is a gapful number since it is divisible by the number (10) 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 120521334120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199564784640).

120521334120 is an abundant number, since it is smaller than the sum of its proper divisors (278608235160).

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

120521334120 is a wasteful number, since it uses less digits than its factorization.

120521334120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 120521334120 its reverse (21433125021), we get a palindrome (141954459141).

The spelling of 120521334120 in words is "one hundred twenty billion, five hundred twenty-one million, three hundred thirty-four thousand, one hundred twenty".