12112202312 has 32 divisors (see below), whose sum is σ = 25958257920. Its totient is φ = 5190236160.

The previous prime is 12112202299. The next prime is 12112202353. The reversal of 12112202312 is 21320221121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759137 + ... + 774927.

It is an arithmetic number, because the mean of its divisors is an integer number (811195560).

Almost surely, 2^12112202312 is an apocalyptic number.

It is an amenable number.

12112202312 is an abundant number, since it is smaller than the sum of its proper divisors (13846055608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112202312 is a wasteful number, since it uses less digits than its factorization.

12112202312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29501 (or 29497 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12112202312 its reverse (21320221121), we get a palindrome (33432423433).

The spelling of 12112202312 in words is "twelve billion, one hundred twelve million, two hundred two thousand, three hundred twelve".