12320120 has 16 divisors (see below), whose sum is σ = 27720360. Its totient is φ = 4928032.

The previous prime is 12320117. The next prime is 12320123. The reversal of 12320120 is 2102321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12320117) and next prime (12320123).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153962 + ... + 154041.

Almost surely, 2^12320120 is an apocalyptic number.

12320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320120 is an abundant number, since it is smaller than the sum of its proper divisors (15400240).

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

12320120 is a wasteful number, since it uses less digits than its factorization.

12320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308014 (or 308010 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12320120 is about 3510.0028490017. The cubic root of 12320120 is about 230.9608199262.

Adding to 12320120 its reverse (2102321), we get a palindrome (14422441).

The spelling of 12320120 in words is "twelve million, three hundred twenty thousand, one hundred twenty".