12340334021000 has 128 divisors (see below), whose sum is σ = 29972575825920. Its totient is φ = 4750509600000.

The previous prime is 12340334020999. The next prime is 12340334021011. The reversal of 12340334021000 is 12043304321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4511345 + ... + 6710655.

It is an arithmetic number, because the mean of its divisors is an integer number (234160748640).

Almost surely, 2^{12340334021000} is an apocalyptic number.

12340334021000 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 12340334021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14986287912960).

12340334021000 is an abundant number, since it is smaller than the sum of its proper divisors (17632241804920).

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

12340334021000 is a wasteful number, since it uses less digits than its factorization.

12340334021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199544 (or 2199530 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12340334021000 its reverse (12043304321), we get a palindrome (12352377325321).

The spelling of 12340334021000 in words is "twelve trillion, three hundred forty billion, three hundred thirty-four million, twenty-one thousand".