12321042124 has 12 divisors (see below), whose sum is σ = 21564928504. Its totient is φ = 6159633984.

The previous prime is 12321042113. The next prime is 12321042131. The reversal of 12321042124 is 42124012321.

It is a junction number, because it is equal to n+sod(n) for n = 12321042095 and 12321042104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190014 + ... + 246469.

Almost surely, 2^12321042124 is an apocalyptic number.

It is an amenable number.

12321042124 is a deficient number, since it is larger than the sum of its proper divisors (9243886380).

12321042124 is a wasteful number, since it uses less digits than its factorization.

12321042124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443544 (or 443542 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12321042124 its reverse (42124012321), we get a palindrome (54445054445).

The spelling of 12321042124 in words is "twelve billion, three hundred twenty-one million, forty-two thousand, one hundred twenty-four".