1312112544305 has 8 divisors (see below), whose sum is σ = 1574979984000. Its totient is φ = 1049393414896.

The previous prime is 1312112544287. The next prime is 1312112544329. The reversal of 1312112544305 is 5034452112131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312112544305 - 2⁸ = 1312112544049 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37058105 + ... + 37093494.

It is an arithmetic number, because the mean of its divisors is an integer number (196872498000).

Almost surely, 2^{1312112544305} is an apocalyptic number.

It is an amenable number.

1312112544305 is a deficient number, since it is larger than the sum of its proper divisors (262867439695).

1312112544305 is an equidigital number, since it uses as much as digits as its factorization.

1312112544305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74155143.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 1312112544305 its reverse (5034452112131), we get a palindrome (6346564656436).

The spelling of 1312112544305 in words is "one trillion, three hundred twelve billion, one hundred twelve million, five hundred forty-four thousand, three hundred five".