12321030 has 16 divisors (see below), whose sum is σ = 29570544. Its totient is φ = 3285600.

The previous prime is 12321017. The next prime is 12321041. The reversal of 12321030 is 3012321.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12320997 and 12321015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205321 + ... + 205380.

It is an arithmetic number, because the mean of its divisors is an integer number (1848159).

Almost surely, 2^12321030 is an apocalyptic number.

12321030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321030 is an abundant number, since it is smaller than the sum of its proper divisors (17249514).

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

12321030 is a wasteful number, since it uses less digits than its factorization.

12321030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410711.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12321030 is about 3510.1324761325. The cubic root of 12321030 is about 230.9665062662.

Adding to 12321030 its reverse (3012321), we get a palindrome (15333351).

The spelling of 12321030 in words is "twelve million, three hundred twenty-one thousand, thirty".