12102311132 has 12 divisors (see below), whose sum is σ = 21469168896. Its totient is φ = 5968262880.

The previous prime is 12102311119. The next prime is 12102311141. The reversal of 12102311132 is 23111320121.

It is a super-2 number, since 2×12102311132² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12102311132.

It is a congruent number.

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, 20722844 + ... + 20723427.

It is an arithmetic number, because the mean of its divisors is an integer number (1789097408).

Almost surely, 2^12102311132 is an apocalyptic number.

It is an amenable number.

12102311132 is a deficient number, since it is larger than the sum of its proper divisors (9366857764).

12102311132 is a wasteful number, since it uses less digits than its factorization.

12102311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41446348 (or 41446346 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12102311132 its reverse (23111320121), we get a palindrome (35213631253).

The spelling of 12102311132 in words is "twelve billion, one hundred two million, three hundred eleven thousand, one hundred thirty-two".