12342120 has 96 divisors (see below), whose sum is σ = 43092000. Its totient is φ = 2819712.

The previous prime is 12342073. The next prime is 12342149. The reversal of 12342120 is 2124321.

12342120 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12342120.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4831 + ... + 6929.

It is an arithmetic number, because the mean of its divisors is an integer number (448875).

Almost surely, 2^12342120 is an apocalyptic number.

12342120 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 12342120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21546000).

12342120 is an abundant number, since it is smaller than the sum of its proper divisors (30749880).

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

12342120 is a wasteful number, since it uses less digits than its factorization.

12342120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12342120 is about 3513.1353517905. The cubic root of 12342120 is about 231.0982135170.

Adding to 12342120 its reverse (2124321), we get a palindrome (14466441).

The spelling of 12342120 in words is "twelve million, three hundred forty-two thousand, one hundred twenty".