12111400132 has 48 divisors (see below), whose sum is σ = 23009038192. Its totient is φ = 5545013760.

The previous prime is 12111400073. The next prime is 12111400139. The reversal of 12111400132 is 23100411121.

It can be written as a sum of positive squares in 8 ways, for example, as 34269316 + 12077130816 = 5854^2 + 109896^2 .

It is not an unprimeable number, because it can be changed into a prime (12111400139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8334718 + ... + 8336170.

Almost surely, 2^12111400132 is an apocalyptic number.

It is an amenable number.

12111400132 is a deficient number, since it is larger than the sum of its proper divisors (10897638060).

12111400132 is a wasteful number, since it uses less digits than its factorization.

12111400132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12111400132 its reverse (23100411121), we get a palindrome (35211811253).

The spelling of 12111400132 in words is "twelve billion, one hundred eleven million, four hundred thousand, one hundred thirty-two".