12112311102 has 64 divisors (see below), whose sum is σ = 26155664640. Its totient is φ = 3726777600.

The previous prime is 12112311089. The next prime is 12112311119. The reversal of 12112311102 is 20111321121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5472148 + ... + 5474360.

It is an arithmetic number, because the mean of its divisors is an integer number (408682260).

Almost surely, 2^12112311102 is an apocalyptic number.

12112311102 is an abundant number, since it is smaller than the sum of its proper divisors (14043353538).

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

12112311102 is a wasteful number, since it uses less digits than its factorization.

12112311102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12112311102 its reverse (20111321121), we get a palindrome (32223632223).

The spelling of 12112311102 in words is "twelve billion, one hundred twelve million, three hundred eleven thousand, one hundred two".