12131022424 has 32 divisors (see below), whose sum is σ = 23577753600. Its totient is φ = 5845260960.

The previous prime is 12131022389. The next prime is 12131022437. The reversal of 12131022424 is 42422013121.

It is a junction number, because it is equal to n+sod(n) for n = 12131022395 and 12131022404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43062 + ... + 161605.

It is an arithmetic number, because the mean of its divisors is an integer number (736804800).

Almost surely, 2^12131022424 is an apocalyptic number.

It is an amenable number.

12131022424 is a deficient number, since it is larger than the sum of its proper divisors (11446731176).

12131022424 is a wasteful number, since it uses less digits than its factorization.

12131022424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204943 (or 204939 counting only the distinct ones).

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

Adding to 12131022424 its reverse (42422013121), we get a palindrome (54553035545).

The spelling of 12131022424 in words is "twelve billion, one hundred thirty-one million, twenty-two thousand, four hundred twenty-four".