12445442101 has 16 divisors (see below), whose sum is σ = 12833821440. Its totient is φ = 12064207680.

The previous prime is 12445442057. The next prime is 12445442131. The reversal of 12445442101 is 10124454421.

It is a happy number.

12445442101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12445442101 - 2⁷ = 12445441973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12445442101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445442131) 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 15 ways as a sum of consecutive naturals, for example, 1280980 + ... + 1290658.

It is an arithmetic number, because the mean of its divisors is an integer number (802113840).

Almost surely, 2^12445442101 is an apocalyptic number.

It is an amenable number.

12445442101 is a deficient number, since it is larger than the sum of its proper divisors (388379339).

12445442101 is a wasteful number, since it uses less digits than its factorization.

12445442101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10044.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 12445442101 its reverse (10124454421), we get a palindrome (22569896522).

The spelling of 12445442101 in words is "twelve billion, four hundred forty-five million, four hundred forty-two thousand, one hundred one".