12120024 has 64 divisors (see below), whose sum is σ = 36460800. Its totient is φ = 3279744.

The previous prime is 12120019. The next prime is 12120047. The reversal of 12120024 is 42002121.

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 = 12119991 and 12120009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1294 + ... + 5090.

It is an arithmetic number, because the mean of its divisors is an integer number (569700).

Almost surely, 2^12120024 is an apocalyptic number.

12120024 is a gapful number since it is divisible by the number (14) 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 12120024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18230400).

12120024 is an abundant number, since it is smaller than the sum of its proper divisors (24340776).

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

12120024 is a wasteful number, since it uses less digits than its factorization.

12120024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832 (or 3828 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12120024 is about 3481.3824840141. The cubic root of 12120024 is about 229.7036131877.

Adding to 12120024 its reverse (42002121), we get a palindrome (54122145).

The spelling of 12120024 in words is "twelve million, one hundred twenty thousand, twenty-four".