12112310012 has 12 divisors (see below), whose sum is σ = 23123501016. Its totient is φ = 5505595440.

The previous prime is 12112310011. The next prime is 12112310087. The reversal of 12112310012 is 21001321121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112310011) 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, 137639843 + ... + 137639930.

It is an arithmetic number, because the mean of its divisors is an integer number (1926958418).

Almost surely, 2^12112310012 is an apocalyptic number.

It is an amenable number.

12112310012 is a deficient number, since it is larger than the sum of its proper divisors (11011191004).

12112310012 is a wasteful number, since it uses less digits than its factorization.

12112310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275279788 (or 275279786 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12112310012 its reverse (21001321121), we get a palindrome (33113631133).

The spelling of 12112310012 in words is "twelve billion, one hundred twelve million, three hundred ten thousand, twelve".