12321430110 has 48 divisors (see below), whose sum is σ = 34948059120. Its totient is φ = 2987013120.

The previous prime is 12321430091. The next prime is 12321430133. The reversal of 12321430110 is 1103412321.

12321430110 is a `hidden beast` number, since 1 + 232 + 1 + 430 + 1 + 1 + 0 = 666.

It is a super-2 number, since 2×12321430110² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 6221955 + ... + 6223934.

It is an arithmetic number, because the mean of its divisors is an integer number (728084565).

Almost surely, 2^12321430110 is an apocalyptic number.

12321430110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321430110 is an abundant number, since it is smaller than the sum of its proper divisors (22626629010).

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

12321430110 is a wasteful number, since it uses less digits than its factorization.

12321430110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12445913 (or 12445910 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12321430110 its reverse (1103412321), we get a palindrome (13424842431).

The spelling of 12321430110 in words is "twelve billion, three hundred twenty-one million, four hundred thirty thousand, one hundred ten".