12422113240 has 64 divisors (see below), whose sum is σ = 29245224960. Its totient is φ = 4739729280.

The previous prime is 12422113201. The next prime is 12422113259. The reversal of 12422113240 is 4231122421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319245 + ... + 356035.

It is an arithmetic number, because the mean of its divisors is an integer number (456956640).

Almost surely, 2^12422113240 is an apocalyptic number.

12422113240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12422113240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14622612480).

12422113240 is an abundant number, since it is smaller than the sum of its proper divisors (16823111720).

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

12422113240 is a wasteful number, since it uses less digits than its factorization.

12422113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37192 (or 37188 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12422113240 its reverse (4231122421), we get a palindrome (16653235661).

The spelling of 12422113240 in words is "twelve billion, four hundred twenty-two million, one hundred thirteen thousand, two hundred forty".