12340322544 has 40 divisors (see below), whose sum is σ = 34777274112. Its totient is φ = 3739491520.

The previous prime is 12340322537. The next prime is 12340322567. The reversal of 12340322544 is 44522304321.

12340322544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11685384 + ... + 11686439.

Almost surely, 2^12340322544 is an apocalyptic number.

It is an amenable number.

12340322544 is an abundant number, since it is smaller than the sum of its proper divisors (22436951568).

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

12340322544 is a wasteful number, since it uses less digits than its factorization.

12340322544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23371845 (or 23371839 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 12340322544 its reverse (44522304321), we get a palindrome (56862626865).

The spelling of 12340322544 in words is "twelve billion, three hundred forty million, three hundred twenty-two thousand, five hundred forty-four".