12112321293 has 6 divisors (see below), whose sum is σ = 17495575214. Its totient is φ = 8074880856.

The previous prime is 12112321289. The next prime is 12112321301. The reversal of 12112321293 is 39212321121.

It can be written as a sum of positive squares in only one way, i.e., 11736038889 + 376282404 = 108333^2 + 19398^2 .

It is not a de Polignac number, because 12112321293 - 2² = 12112321289 is a prime.

It is a super-2 number, since 2×12112321293² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112321493) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 672906730 + ... + 672906747.

Almost surely, 2^12112321293 is an apocalyptic number.

It is an amenable number.

12112321293 is a deficient number, since it is larger than the sum of its proper divisors (5383253921).

12112321293 is a wasteful number, since it uses less digits than its factorization.

12112321293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345813483 (or 1345813480 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The spelling of 12112321293 in words is "twelve billion, one hundred twelve million, three hundred twenty-one thousand, two hundred ninety-three".