12143413440 has 168 divisors, whose sum is σ = 41885737920. Its totient is φ = 3229138944.

The previous prime is 12143413439. The next prime is 12143413441. The reversal of 12143413440 is 4431434121.

12143413440 is a `hidden beast` number, since 1 + 214 + 3 + 4 + 1 + 3 + 440 = 666.

It is an interprime number because it is at equal distance from previous prime (12143413439) and next prime (12143413441).

It is not an unprimeable number, because it can be changed into a prime (12143413441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1051216 + ... + 1062704.

Almost surely, 2^12143413440 is an apocalyptic number.

12143413440 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 12143413440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20942868960).

12143413440 is an abundant number, since it is smaller than the sum of its proper divisors (29742324480).

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

12143413440 is a wasteful number, since it uses less digits than its factorization.

12143413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11879 (or 11866 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12143413440 its reverse (4431434121), we get a palindrome (16574847561).

The spelling of 12143413440 in words is "twelve billion, one hundred forty-three million, four hundred thirteen thousand, four hundred forty".