12321230 has 16 divisors (see below), whose sum is σ = 22943520. Its totient is φ = 4758432.

The previous prime is 12321227. The next prime is 12321241. The reversal of 12321230 is 3212321.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20954 + ... + 21533.

It is an arithmetic number, because the mean of its divisors is an integer number (1433970).

Almost surely, 2^12321230 is an apocalyptic number.

12321230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321230 is a deficient number, since it is larger than the sum of its proper divisors (10622290).

12321230 is a wasteful number, since it uses less digits than its factorization.

12321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42523.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12321230 is about 3510.1609649701. The cubic root of 12321230 is about 230.9677559737.

Adding to 12321230 its reverse (3212321), we get a palindrome (15533551).

The spelling of 12321230 in words is "twelve million, three hundred twenty-one thousand, two hundred thirty".