12112542231 has 8 divisors (see below), whose sum is σ = 16246763904. Its totient is φ = 8026674360.

The previous prime is 12112542209. The next prime is 12112542251. The reversal of 12112542231 is 13224521121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12112542231 - 2¹⁴ = 12112525847 is a prime.

It is a super-2 number, since 2×12112542231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112542251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12087865 + ... + 12088866.

It is an arithmetic number, because the mean of its divisors is an integer number (2030845488).

Almost surely, 2^12112542231 is an apocalyptic number.

12112542231 is a deficient number, since it is larger than the sum of its proper divisors (4134221673).

12112542231 is a wasteful number, since it uses less digits than its factorization.

12112542231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24176901.

The product of its digits is 960, while the sum is 24.

The spelling of 12112542231 in words is "twelve billion, one hundred twelve million, five hundred forty-two thousand, two hundred thirty-one".