12440234001342 has 32 divisors (see below), whose sum is σ = 29015123040000. Its totient is φ = 3554352571224.

The previous prime is 12440234001319. The next prime is 12440234001343. The reversal of 12440234001342 is 24310043204421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440234001343) 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, 3022406592 + ... + 3022410707.

It is an arithmetic number, because the mean of its divisors is an integer number (906722595000).

Almost surely, 2^{12440234001342} is an apocalyptic number.

12440234001342 is an abundant number, since it is smaller than the sum of its proper divisors (16574889038658).

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

12440234001342 is an equidigital number, since it uses as much as digits as its factorization.

12440234001342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044817325 (or 6044817311 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 12440234001342 its reverse (24310043204421), we get a palindrome (36750277205763).

The spelling of 12440234001342 in words is "twelve trillion, four hundred forty billion, two hundred thirty-four million, one thousand, three hundred forty-two".