12013113223132 has 96 divisors (see below), whose sum is σ = 24696858009600. Its totient is φ = 5006693382912.

The previous prime is 12013113223127. The next prime is 12013113223141. The reversal of 12013113223132 is 23132231131021.

It is a junction number, because it is equal to n+sod(n) for n = 12013113223097 and 12013113223106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75704169 + ... + 75862687.

It is an arithmetic number, because the mean of its divisors is an integer number (257258937600).

Almost surely, 2^{12013113223132} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12013113223132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12348429004800).

12013113223132 is an abundant number, since it is smaller than the sum of its proper divisors (12683744786468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12013113223132 is a wasteful number, since it uses less digits than its factorization.

12013113223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159035 (or 159033 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12013113223132 its reverse (23132231131021), we get a palindrome (35145344354153).

The spelling of 12013113223132 in words is "twelve trillion, thirteen billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred thirty-two".