12344171240 has 32 divisors (see below), whose sum is σ = 29408174280. Its totient is φ = 4647217152.

The previous prime is 12344171179. The next prime is 12344171261. The reversal of 12344171240 is 4217144321.

It can be written as a sum of positive squares in 4 ways, for example, as 11660976196 + 683195044 = 107986^2 + 26138^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9075917 + ... + 9077276.

Almost surely, 2^12344171240 is an apocalyptic number.

12344171240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12344171240 is an abundant number, since it is smaller than the sum of its proper divisors (17064003040).

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

12344171240 is a wasteful number, since it uses less digits than its factorization.

12344171240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18153221 (or 18153217 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 12344171240 in words is "twelve billion, three hundred forty-four million, one hundred seventy-one thousand, two hundred forty".