12256120 has 32 divisors (see below), whose sum is σ = 28033920. Its totient is φ = 4821120.

The previous prime is 12256117. The next prime is 12256147. The reversal of 12256120 is 2165221.

12256120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 72 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (876060).

Almost surely, 2^12256120 is an apocalyptic number.

12256120 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 12256120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14016960).

12256120 is an abundant number, since it is smaller than the sum of its proper divisors (15777800).

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

12256120 is a wasteful number, since it uses less digits than its factorization.

12256120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095 (or 5091 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12256120 is about 3500.8741765451. The cubic root of 12256120 is about 230.5601971507.

The spelling of 12256120 in words is "twelve million, two hundred fifty-six thousand, one hundred twenty".