1312163253146 has 16 divisors (see below), whose sum is σ = 1991544633960. Its totient is φ = 648335508480.

The previous prime is 1312163253101. The next prime is 1312163253151. The reversal of 1312163253146 is 6413523612131.

It can be written as a sum of positive squares in 4 ways, for example, as 912626749225 + 399536503921 = 955315^2 + 632089^2 .

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, 4988051 + ... + 5244518.

Almost surely, 2^{1312163253146} is an apocalyptic number.

1312163253146 is a deficient number, since it is larger than the sum of its proper divisors (679381380814).

1312163253146 is a wasteful number, since it uses less digits than its factorization.

1312163253146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10233329.

The product of its digits is 77760, while the sum is 38.

Adding to 1312163253146 its reverse (6413523612131), we get a palindrome (7725686865277).

The spelling of 1312163253146 in words is "one trillion, three hundred twelve billion, one hundred sixty-three million, two hundred fifty-three thousand, one hundred forty-six".