12112312321124 has 12 divisors (see below), whose sum is σ = 21253373767164. Its totient is φ = 6039919816224.

The previous prime is 12112312321111. The next prime is 12112312321127. The reversal of 12112312321124 is 42112321321121.

It can be written as a sum of positive squares in 2 ways, for example, as 2973589848100 + 9138722473024 = 1724410^2 + 3023032^2 .

It is a super-3 number, since 3×12112312321124³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12112312321093 and 12112312321102.

It is not an unprimeable number, because it can be changed into a prime (12112312321127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4059084407 + ... + 4059087390.

It is an arithmetic number, because the mean of its divisors is an integer number (1771114480597).

Almost surely, 2^{12112312321124} is an apocalyptic number.

It is an amenable number.

12112312321124 is a deficient number, since it is larger than the sum of its proper divisors (9141061446040).

12112312321124 is a wasteful number, since it uses less digits than its factorization.

12112312321124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118172174 (or 8118172172 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

Adding to 12112312321124 its reverse (42112321321121), we get a palindrome (54224633642245).

The spelling of 12112312321124 in words is "twelve trillion, one hundred twelve billion, three hundred twelve million, three hundred twenty-one thousand, one hundred twenty-four".