12123112132 has 12 divisors (see below), whose sum is σ = 21666839040. Its totient is φ = 5932586696.

The previous prime is 12123112129. The next prime is 12123112151. The reversal of 12123112132 is 23121132121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32242132 + ... + 32242507.

It is an arithmetic number, because the mean of its divisors is an integer number (1805569920).

Almost surely, 2^12123112132 is an apocalyptic number.

It is an amenable number.

12123112132 is a deficient number, since it is larger than the sum of its proper divisors (9543726908).

12123112132 is a wasteful number, since it uses less digits than its factorization.

12123112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64484690 (or 64484688 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

Adding to 12123112132 its reverse (23121132121), we get a palindrome (35244244253).

The spelling of 12123112132 in words is "twelve billion, one hundred twenty-three million, one hundred twelve thousand, one hundred thirty-two".