1312011344044 has 12 divisors (see below), whose sum is σ = 2352020336568. Its totient is φ = 640005533600.

The previous prime is 1312011344023. The next prime is 1312011344051. The reversal of 1312011344044 is 4404431102131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4000034422 + ... + 4000034749.

It is an arithmetic number, because the mean of its divisors is an integer number (196001694714).

Almost surely, 2^{1312011344044} is an apocalyptic number.

It is an amenable number.

1312011344044 is a deficient number, since it is larger than the sum of its proper divisors (1040008992524).

1312011344044 is a wasteful number, since it uses less digits than its factorization.

1312011344044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8000069216 (or 8000069214 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1312011344044 its reverse (4404431102131), we get a palindrome (5716442446175).

The spelling of 1312011344044 in words is "one trillion, three hundred twelve billion, eleven million, three hundred forty-four thousand, forty-four".