12011322113232 has 160 divisors (see below), whose sum is σ = 33638135521536. Its totient is φ = 3671317401600.

The previous prime is 12011322113227. The next prime is 12011322113233. The reversal of 12011322113232 is 23231122311021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011322113233) by changing a digit.

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, 56755132 + ... + 56966372.

Almost surely, 2^{12011322113232} is an apocalyptic number.

12011322113232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011322113232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16819067760768).

12011322113232 is an abundant number, since it is smaller than the sum of its proper divisors (21626813408304).

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

12011322113232 is a wasteful number, since it uses less digits than its factorization.

12011322113232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211869 (or 211863 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12011322113232 its reverse (23231122311021), we get a palindrome (35242444424253).

The spelling of 12011322113232 in words is "twelve trillion, eleven billion, three hundred twenty-two million, one hundred thirteen thousand, two hundred thirty-two".