120515420130 has 128 divisors (see below), whose sum is σ = 338163724800. Its totient is φ = 27476064000.

The previous prime is 120515420099. The next prime is 120515420143. The reversal of 120515420130 is 31024515021.

It is a happy number.

It is a super-2 number, since 2×120515420130² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120515420130.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4070380 + ... + 4099880.

It is an arithmetic number, because the mean of its divisors is an integer number (2641904100).

Almost surely, 2^120515420130 is an apocalyptic number.

120515420130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120515420130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169081862400).

120515420130 is an abundant number, since it is smaller than the sum of its proper divisors (217648304670).

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

120515420130 is a wasteful number, since it uses less digits than its factorization.

120515420130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29929 (or 29915 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 120515420130 its reverse (31024515021), we get a palindrome (151539935151).

The spelling of 120515420130 in words is "one hundred twenty billion, five hundred fifteen million, four hundred twenty thousand, one hundred thirty".