12344343140 has 24 divisors (see below), whose sum is σ = 26555393592. Its totient is φ = 4817304320.

The previous prime is 12344343139. The next prime is 12344343173. The reversal of 12344343140 is 4134344321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1577536 + 12342765604 = 1256^2 + 111098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7526219 + ... + 7527858.

It is an arithmetic number, because the mean of its divisors is an integer number (1106474733).

Almost surely, 2^12344343140 is an apocalyptic number.

12344343140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12344343140 is an abundant number, since it is smaller than the sum of its proper divisors (14211050452).

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

12344343140 is a wasteful number, since it uses less digits than its factorization.

12344343140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15054127 (or 15054125 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 12344343140 its reverse (4134344321), we get a palindrome (16478687461).

The spelling of 12344343140 in words is "twelve billion, three hundred forty-four million, three hundred forty-three thousand, one hundred forty".