12224401240 has 64 divisors (see below), whose sum is σ = 28238427360. Its totient is φ = 4760770560.

The previous prime is 12224401229. The next prime is 12224401249. The reversal of 12224401240 is 4210442221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224401249) 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, 255712 + ... + 299728.

Almost surely, 2^12224401240 is an apocalyptic number.

12224401240 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 12224401240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14119213680).

12224401240 is an abundant number, since it is smaller than the sum of its proper divisors (16014026120).

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

12224401240 is a wasteful number, since it uses less digits than its factorization.

12224401240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44212 (or 44208 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12224401240 its reverse (4210442221), we get a palindrome (16434843461).

The spelling of 12224401240 in words is "twelve billion, two hundred twenty-four million, four hundred one thousand, two hundred forty".