12321124 has 12 divisors (see below), whose sum is σ = 22830444. Its totient is φ = 5798144.

The previous prime is 12321121. The next prime is 12321131. The reversal of 12321124 is 42112321.

It can be written as a sum of positive squares in 2 ways, for example, as 9498724 + 2822400 = 3082^2 + 1680^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12321098 and 12321107.

It is not an unprimeable number, because it can be changed into a prime (12321121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90529 + ... + 90664.

It is an arithmetic number, because the mean of its divisors is an integer number (1902537).

Almost surely, 2^12321124 is an apocalyptic number.

It is an amenable number.

12321124 is a deficient number, since it is larger than the sum of its proper divisors (10509320).

12321124 is a wasteful number, since it uses less digits than its factorization.

12321124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181214 (or 181212 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 12321124 is about 3510.1458659150. The cubic root of 12321124 is about 230.9670936304.

Adding to 12321124 its reverse (42112321), we get a palindrome (54433445).

The spelling of 12321124 in words is "twelve million, three hundred twenty-one thousand, one hundred twenty-four".