12311020132 has 24 divisors (see below), whose sum is σ = 22760104640. Its totient is φ = 5810473440.

The previous prime is 12311020121. The next prime is 12311020133. The reversal of 12311020132 is 23102011321.

12311020132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12311020132² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12311020133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271344 + ... + 313447.

Almost surely, 2^12311020132 is an apocalyptic number.

It is an amenable number.

12311020132 is a deficient number, since it is larger than the sum of its proper divisors (10449084508).

12311020132 is a wasteful number, since it uses less digits than its factorization.

12311020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585091 (or 585089 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12311020132 its reverse (23102011321), we get a palindrome (35413031453).

The spelling of 12311020132 in words is "twelve billion, three hundred eleven million, twenty thousand, one hundred thirty-two".