1312220124344 has 8 divisors (see below), whose sum is σ = 2460412733160. Its totient is φ = 656110062168.

The previous prime is 1312220124329. The next prime is 1312220124419. The reversal of 1312220124344 is 4434210222131.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 82013757764 + ... + 82013757779.

It is an arithmetic number, because the mean of its divisors is an integer number (307551591645).

Almost surely, 2^{1312220124344} is an apocalyptic number.

It is an amenable number.

1312220124344 is a deficient number, since it is larger than the sum of its proper divisors (1148192608816).

1312220124344 is a wasteful number, since it uses less digits than its factorization.

1312220124344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164027515549 (or 164027515545 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1312220124344 its reverse (4434210222131), we get a palindrome (5746430346475).

The spelling of 1312220124344 in words is "one trillion, three hundred twelve billion, two hundred twenty million, one hundred twenty-four thousand, three hundred forty-four".