12113420001123 has 16 divisors (see below), whose sum is σ = 18460249342976. Its totient is φ = 6921315069120.

The previous prime is 12113420001041. The next prime is 12113420001139. The reversal of 12113420001123 is 32110002431121.

It is not a de Polignac number, because 12113420001123 - 2¹⁴ = 12113419984739 is a prime.

It is a super-2 number, since 2×12113420001123² (a number of 27 digits) contains 22 as substring.

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 12113420001123.

It is not an unprimeable number, because it can be changed into a prime (12113420001143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26401186 + ... + 26856087.

It is an arithmetic number, because the mean of its divisors is an integer number (1153765583936).

Almost surely, 2^{12113420001123} is an apocalyptic number.

12113420001123 is a deficient number, since it is larger than the sum of its proper divisors (6346829341853).

12113420001123 is a wasteful number, since it uses less digits than its factorization.

12113420001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53268114.

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

Adding to 12113420001123 its reverse (32110002431121), we get a palindrome (44223422432244).

The spelling of 12113420001123 in words is "twelve trillion, one hundred thirteen billion, four hundred twenty million, one thousand, one hundred twenty-three".