12321241424 has 10 divisors (see below), whose sum is σ = 23872405290. Its totient is φ = 6160620704.

The previous prime is 12321241367. The next prime is 12321241441. The reversal of 12321241424 is 42414212321.

It can be written as a sum of positive squares in only one way, i.e., 6278977600 + 6042263824 = 79240^2 + 77732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12321241393 and 12321241402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385038779 + ... + 385038810.

It is an arithmetic number, because the mean of its divisors is an integer number (2387240529).

Almost surely, 2^12321241424 is an apocalyptic number.

It is an amenable number.

12321241424 is a deficient number, since it is larger than the sum of its proper divisors (11551163866).

12321241424 is an equidigital number, since it uses as much as digits as its factorization.

12321241424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770077597 (or 770077591 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

Adding to 12321241424 its reverse (42414212321), we get a palindrome (54735453745).

The spelling of 12321241424 in words is "twelve billion, three hundred twenty-one million, two hundred forty-one thousand, four hundred twenty-four".