12355111124 has 24 divisors (see below), whose sum is σ = 21726169920. Its totient is φ = 6147664064.

The previous prime is 12355111121. The next prime is 12355111159. The reversal of 12355111124 is 42111155321.

It is a junction number, because it is equal to n+sod(n) for n = 12355111093 and 12355111102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3374807 + ... + 3378465.

It is an arithmetic number, because the mean of its divisors is an integer number (905257080).

Almost surely, 2^12355111124 is an apocalyptic number.

It is an amenable number.

12355111124 is a deficient number, since it is larger than the sum of its proper divisors (9371058796).

12355111124 is a wasteful number, since it uses less digits than its factorization.

12355111124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519 (or 7517 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

Adding to 12355111124 its reverse (42111155321), we get a palindrome (54466266445).

The spelling of 12355111124 in words is "twelve billion, three hundred fifty-five million, one hundred eleven thousand, one hundred twenty-four".