12440403022 has 8 divisors (see below), whose sum is σ = 19057638816. Its totient is φ = 6087856752.

The previous prime is 12440403011. The next prime is 12440403029. The reversal of 12440403022 is 22030404421.

It is a happy number.

12440403022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 12440402984 and 12440403002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440403029) 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 3 ways as a sum of consecutive naturals, for example, 66172263 + ... + 66172450.

It is an arithmetic number, because the mean of its divisors is an integer number (2382204852).

Almost surely, 2^12440403022 is an apocalyptic number.

12440403022 is a deficient number, since it is larger than the sum of its proper divisors (6617235794).

12440403022 is a wasteful number, since it uses less digits than its factorization.

12440403022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132344762.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12440403022 its reverse (22030404421), we get a palindrome (34470807443).

The spelling of 12440403022 in words is "twelve billion, four hundred forty million, four hundred three thousand, twenty-two".