12321124430 has 16 divisors (see below), whose sum is σ = 22718952144. Its totient is φ = 4808243520.

The previous prime is 12321124429. The next prime is 12321124433. The reversal of 12321124430 is 3442112321.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12321124396 and 12321124405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321124433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15025352 + ... + 15026171.

It is an arithmetic number, because the mean of its divisors is an integer number (1419934509).

Almost surely, 2^12321124430 is an apocalyptic number.

12321124430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321124430 is a deficient number, since it is larger than the sum of its proper divisors (10397827714).

12321124430 is a wasteful number, since it uses less digits than its factorization.

12321124430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30051571.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12321124430 its reverse (3442112321), we get a palindrome (15763236751).

The spelling of 12321124430 in words is "twelve billion, three hundred twenty-one million, one hundred twenty-four thousand, four hundred thirty".