12111332132 has 6 divisors (see below), whose sum is σ = 21194831238. Its totient is φ = 6055666064.

The previous prime is 12111332119. The next prime is 12111332159. The reversal of 12111332132 is 23123311121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10398696676 + 1712635456 = 101974^2 + 41384^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1513916513 + ... + 1513916520.

It is an arithmetic number, because the mean of its divisors is an integer number (3532471873).

Almost surely, 2^12111332132 is an apocalyptic number.

It is an amenable number.

12111332132 is a deficient number, since it is larger than the sum of its proper divisors (9083499106).

12111332132 is a wasteful number, since it uses less digits than its factorization.

12111332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027833037 (or 3027833035 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 12111332132 its reverse (23123311121), we get a palindrome (35234643253).

The spelling of 12111332132 in words is "twelve billion, one hundred eleven million, three hundred thirty-two thousand, one hundred thirty-two".