12440431122 has 32 divisors (see below), whose sum is σ = 30107935872. Its totient is φ = 3345325824.

The previous prime is 12440431121. The next prime is 12440431123. The reversal of 12440431122 is 22113404421.

It is an interprime number because it is at equal distance from previous prime (12440431121) and next prime (12440431123).

It is a junction number, because it is equal to n+sod(n) for n = 12440431092 and 12440431101.

It is not an unprimeable number, because it can be changed into a prime (12440431121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8711073 + ... + 8712500.

It is an arithmetic number, because the mean of its divisors is an integer number (940872996).

Almost surely, 2^12440431122 is an apocalyptic number.

12440431122 is an abundant number, since it is smaller than the sum of its proper divisors (17667504750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12440431122 is a wasteful number, since it uses less digits than its factorization.

12440431122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17423602.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12440431122 its reverse (22113404421), we get a palindrome (34553835543).

The spelling of 12440431122 in words is "twelve billion, four hundred forty million, four hundred thirty-one thousand, one hundred twenty-two".