12113321132 has 36 divisors (see below), whose sum is σ = 23311651608. Its totient is φ = 5503449600.

The previous prime is 12113321107. The next prime is 12113321177. The reversal of 12113321132 is 23112331121.

It is a happy number.

It is a super-2 number, since 2×12113321132² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1327907 + ... + 1336997.

It is an arithmetic number, because the mean of its divisors is an integer number (647545878).

Almost surely, 2^12113321132 is an apocalyptic number.

It is an amenable number.

12113321132 is a deficient number, since it is larger than the sum of its proper divisors (11198330476).

12113321132 is a wasteful number, since it uses less digits than its factorization.

12113321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11870 (or 11857 counting only the distinct ones).

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

Adding to 12113321132 its reverse (23112331121), we get a palindrome (35225652253).

The spelling of 12113321132 in words is "twelve billion, one hundred thirteen million, three hundred twenty-one thousand, one hundred thirty-two".