12321443030 has 32 divisors (see below), whose sum is σ = 23928446304. Its totient is φ = 4541112576.

The previous prime is 12321442997. The next prime is 12321443059. The reversal of 12321443030 is 3034412321.

It is a junction number, because it is equal to n+sod(n) for n = 12321442987 and 12321443005.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15527 + ... + 157746.

It is an arithmetic number, because the mean of its divisors is an integer number (747763947).

Almost surely, 2^12321443030 is an apocalyptic number.

12321443030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321443030 is a deficient number, since it is larger than the sum of its proper divisors (11607003274).

12321443030 is a wasteful number, since it uses less digits than its factorization.

12321443030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173840.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12321443030 its reverse (3034412321), we get a palindrome (15355855351).

The spelling of 12321443030 in words is "twelve billion, three hundred twenty-one million, four hundred forty-three thousand, thirty".