12310113144 has 128 divisors (see below), whose sum is σ = 36849254400. Its totient is φ = 3352821120.

The previous prime is 12310113133. The next prime is 12310113181. The reversal of 12310113144 is 44131101321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12310113144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331297 + ... + 366575.

It is an arithmetic number, because the mean of its divisors is an integer number (287884800).

Almost surely, 2^12310113144 is an apocalyptic number.

12310113144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12310113144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18424627200).

12310113144 is an abundant number, since it is smaller than the sum of its proper divisors (24539141256).

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

12310113144 is a wasteful number, since it uses less digits than its factorization.

12310113144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35393 (or 35389 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 12310113144 its reverse (44131101321), we get a palindrome (56441214465).

The spelling of 12310113144 in words is "twelve billion, three hundred ten million, one hundred thirteen thousand, one hundred forty-four".