1312241340344 has 16 divisors (see below), whose sum is σ = 2684130014520. Its totient is φ = 596473336480.

The previous prime is 1312241340317. The next prime is 1312241340407. The reversal of 1312241340344 is 4430431422131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312241340344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7455916619 + ... + 7455916794.

Almost surely, 2^{1312241340344} is an apocalyptic number.

It is an amenable number.

1312241340344 is an abundant number, since it is smaller than the sum of its proper divisors (1371888674176).

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

1312241340344 is a wasteful number, since it uses less digits than its factorization.

1312241340344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14911833430 (or 14911833426 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1312241340344 its reverse (4430431422131), we get a palindrome (5742672762475).

The spelling of 1312241340344 in words is "one trillion, three hundred twelve billion, two hundred forty-one million, three hundred forty thousand, three hundred forty-four".