12523116222424 has 8 divisors (see below), whose sum is σ = 23480842917060. Its totient is φ = 6261558111208.

The previous prime is 12523116222349. The next prime is 12523116222443. The reversal of 12523116222424 is 42422261132521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×12523116222424³ (a number of 40 digits) contains 333 as substring.

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, 782694763894 + ... + 782694763909.

Almost surely, 2^{12523116222424} is an apocalyptic number.

It is an amenable number.

12523116222424 is a deficient number, since it is larger than the sum of its proper divisors (10957726694636).

12523116222424 is a wasteful number, since it uses less digits than its factorization.

12523116222424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565389527809 (or 1565389527805 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

Adding to 12523116222424 its reverse (42422261132521), we get a palindrome (54945377354945).

The spelling of 12523116222424 in words is "twelve trillion, five hundred twenty-three billion, one hundred sixteen million, two hundred twenty-two thousand, four hundred twenty-four".