12403220045 has 16 divisors (see below), whose sum is σ = 15672074880. Its totient is φ = 9397425600.

The previous prime is 12403220041. The next prime is 12403220069. The reversal of 12403220045 is 54002230421.

It is a happy number.

12403220045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12403220045 - 2² = 12403220041 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12403220045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403220041) 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, 317960 + ... + 354830.

It is an arithmetic number, because the mean of its divisors is an integer number (979504680).

Almost surely, 2^12403220045 is an apocalyptic number.

It is an amenable number.

12403220045 is a deficient number, since it is larger than the sum of its proper divisors (3268854835).

12403220045 is a wasteful number, since it uses less digits than its factorization.

12403220045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40436.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 12403220045 its reverse (54002230421), we get a palindrome (66405450466).

The spelling of 12403220045 in words is "twelve billion, four hundred three million, two hundred twenty thousand, forty-five".