12310120 has 32 divisors (see below), whose sum is σ = 27799200. Its totient is φ = 4906048.

The previous prime is 12310097. The next prime is 12310121. The reversal of 12310120 is 2101321.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12310097 and 12310106.

It is not an unprimeable number, because it can be changed into a prime (12310121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18351 + ... + 19009.

It is an arithmetic number, because the mean of its divisors is an integer number (868725).

Almost surely, 2^12310120 is an apocalyptic number.

12310120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310120 is an abundant number, since it is smaller than the sum of its proper divisors (15489080).

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

12310120 is a wasteful number, since it uses less digits than its factorization.

12310120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12310120 is about 3508.5780595563. The cubic root of 12310120 is about 230.8983142210.

Adding to 12310120 its reverse (2101321), we get a palindrome (14411441).

The spelling of 12310120 in words is "twelve million, three hundred ten thousand, one hundred twenty".