12432331133445 has 32 divisors (see below), whose sum is σ = 21222608964480. Its totient is φ = 6192904939520.

The previous prime is 12432331133423. The next prime is 12432331133489. The reversal of 12432331133445 is 54433113323421.

It is a happy number.

It is not a de Polignac number, because 12432331133445 - 2¹² = 12432331129349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186051480 + ... + 186118289.

It is an arithmetic number, because the mean of its divisors is an integer number (663206530140).

Almost surely, 2^{12432331133445} is an apocalyptic number.

12432331133445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12432331133445 is a deficient number, since it is larger than the sum of its proper divisors (8790277831035).

12432331133445 is a wasteful number, since it uses less digits than its factorization.

12432331133445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372169925.

The product of its digits is 311040, while the sum is 39.

Adding to 12432331133445 its reverse (54433113323421), we get a palindrome (66865444456866).

The spelling of 12432331133445 in words is "twelve trillion, four hundred thirty-two billion, three hundred thirty-one million, one hundred thirty-three thousand, four hundred forty-five".