12011445432 has 96 divisors (see below), whose sum is σ = 37345351680. Its totient is φ = 3416420160.

The previous prime is 12011445431. The next prime is 12011445451. The reversal of 12011445432 is 23454411021.

12011445432 is a `hidden beast` number, since 1 + 2 + 0 + 114 + 4 + 543 + 2 = 666.

12011445432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12011445396 and 12011445405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011445431) 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 23 ways as a sum of consecutive naturals, for example, 58957 + ... + 165827.

It is an arithmetic number, because the mean of its divisors is an integer number (389014080).

Almost surely, 2^12011445432 is an apocalyptic number.

12011445432 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 12011445432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18672675840).

12011445432 is an abundant number, since it is smaller than the sum of its proper divisors (25333906248).

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

12011445432 is a wasteful number, since it uses less digits than its factorization.

12011445432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107113 (or 107106 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 12011445432 its reverse (23454411021), we get a palindrome (35465856453).

The spelling of 12011445432 in words is "twelve billion, eleven million, four hundred forty-five thousand, four hundred thirty-two".