12112301212 has 12 divisors (see below), whose sum is σ = 23123484216. Its totient is φ = 5505591440.

The previous prime is 12112301209. The next prime is 12112301213. The reversal of 12112301212 is 21210321121.

12112301212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112301213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137639743 + ... + 137639830.

It is an arithmetic number, because the mean of its divisors is an integer number (1926957018).

Almost surely, 2^12112301212 is an apocalyptic number.

It is an amenable number.

12112301212 is a deficient number, since it is larger than the sum of its proper divisors (11011183004).

12112301212 is a wasteful number, since it uses less digits than its factorization.

12112301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275279588 (or 275279586 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12112301212 its reverse (21210321121), we get a palindrome (33322622333).

The spelling of 12112301212 in words is "twelve billion, one hundred twelve million, three hundred one thousand, two hundred twelve".