12512120 has 32 divisors (see below), whose sum is σ = 28257120. Its totient is φ = 4986240.

The previous prime is 12512113. The next prime is 12512147. The reversal of 12512120 is 2121521.

It is a junction number, because it is equal to n+sod(n) for n = 12512095 and 12512104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16469 + ... + 17211.

It is an arithmetic number, because the mean of its divisors is an integer number (883035).

Almost surely, 2^12512120 is an apocalyptic number.

12512120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12512120 is an abundant number, since it is smaller than the sum of its proper divisors (15745000).

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

12512120 is a wasteful number, since it uses less digits than its factorization.

12512120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12512120 is about 3537.2475174915. The cubic root of 12512120 is about 232.1544255266.

Adding to 12512120 its reverse (2121521), we get a palindrome (14633641).

The spelling of 12512120 in words is "twelve million, five hundred twelve thousand, one hundred twenty".