12510120 has 128 divisors (see below), whose sum is σ = 43856640. Its totient is φ = 2795520.

The previous prime is 12510109. The next prime is 12510133. The reversal of 12510120 is 2101521.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12510096 and 12510105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44380 + ... + 44660.

It is an arithmetic number, because the mean of its divisors is an integer number (342630).

Almost surely, 2^12510120 is an apocalyptic number.

12510120 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 12510120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21928320).

12510120 is an abundant number, since it is smaller than the sum of its proper divisors (31346520).

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

12510120 is a wasteful number, since it uses less digits than its factorization.

12510120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 12510120 is about 3536.9648005034. The cubic root of 12510120 is about 232.1420552917.

Adding to 12510120 its reverse (2101521), we get a palindrome (14611641).

The spelling of 12510120 in words is "twelve million, five hundred ten thousand, one hundred twenty".