12321232030 has 16 divisors (see below), whose sum is σ = 22942984320. Its totient is φ = 4758544672.

The previous prime is 12321231983. The next prime is 12321232037. The reversal of 12321232030 is 3023212321.

It is a junction number, because it is equal to n+sod(n) for n = 12321231989 and 12321232007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321232037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21243214 + ... + 21243793.

It is an arithmetic number, because the mean of its divisors is an integer number (1433936520).

Almost surely, 2^12321232030 is an apocalyptic number.

12321232030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321232030 is a deficient number, since it is larger than the sum of its proper divisors (10621752290).

12321232030 is a wasteful number, since it uses less digits than its factorization.

12321232030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42487043.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12321232030 its reverse (3023212321), we get a palindrome (15344444351).

The spelling of 12321232030 in words is "twelve billion, three hundred twenty-one million, two hundred thirty-two thousand, thirty".