12311123300124 has 96 divisors (see below), whose sum is σ = 31507912262400. Its totient is φ = 3710379778560.

The previous prime is 12311123300087. The next prime is 12311123300137. The reversal of 12311123300124 is 42100332111321.

It is a junction number, because it is equal to n+sod(n) for n = 12311123300094 and 12311123300103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28106307 + ... + 28540965.

It is an arithmetic number, because the mean of its divisors is an integer number (328207419400).

Almost surely, 2^{12311123300124} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12311123300124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15753956131200).

12311123300124 is an abundant number, since it is smaller than the sum of its proper divisors (19196788962276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311123300124 is a wasteful number, since it uses less digits than its factorization.

12311123300124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435843 (or 435841 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12311123300124 its reverse (42100332111321), we get a palindrome (54411455411445).

The spelling of 12311123300124 in words is "twelve trillion, three hundred eleven billion, one hundred twenty-three million, three hundred thousand, one hundred twenty-four".