12324201340 has 192 divisors, whose sum is σ = 31135104000. Its totient is φ = 4044902400.

The previous prime is 12324201313. The next prime is 12324201347. The reversal of 12324201340 is 4310242321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12324201347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21583255 + ... + 21583825.

It is an arithmetic number, because the mean of its divisors is an integer number (162162000).

Almost surely, 2^12324201340 is an apocalyptic number.

12324201340 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 12324201340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15567552000).

12324201340 is an abundant number, since it is smaller than the sum of its proper divisors (18810902660).

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

12324201340 is a wasteful number, since it uses less digits than its factorization.

12324201340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12324201340 its reverse (4310242321), we get a palindrome (16634443661).

The spelling of 12324201340 in words is "twelve billion, three hundred twenty-four million, two hundred one thousand, three hundred forty".