12444432133 has 8 divisors (see below), whose sum is σ = 14228669952. Its totient is φ = 10661809776.

The previous prime is 12444432073. The next prime is 12444432137. The reversal of 12444432133 is 33123444421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12444432133 - 2⁹ = 12444431621 is a prime.

It is a super-2 number, since 2×12444432133² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12444432095 and 12444432104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444432137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387310 + ... + 418207.

It is an arithmetic number, because the mean of its divisors is an integer number (1778583744).

Almost surely, 2^12444432133 is an apocalyptic number.

It is an amenable number.

12444432133 is a deficient number, since it is larger than the sum of its proper divisors (1784237819).

12444432133 is an equidigital number, since it uses as much as digits as its factorization.

12444432133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807731.

The product of its digits is 27648, while the sum is 31.

Adding to 12444432133 its reverse (33123444421), we get a palindrome (45567876554).

The spelling of 12444432133 in words is "twelve billion, four hundred forty-four million, four hundred thirty-two thousand, one hundred thirty-three".