1312106565603 has 16 divisors (see below), whose sum is σ = 1751695613696. Its totient is φ = 873627815520.

The previous prime is 1312106565593. The next prime is 1312106565613. The reversal of 1312106565603 is 3065656012131.

It is an interprime number because it is at equal distance from previous prime (1312106565593) and next prime (1312106565613).

It is not a de Polignac number, because 1312106565603 - 2⁴ = 1312106565587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312106565613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37679226 + ... + 37714032.

It is an arithmetic number, because the mean of its divisors is an integer number (109480975856).

Almost surely, 2^{1312106565603} is an apocalyptic number.

1312106565603 is a deficient number, since it is larger than the sum of its proper divisors (439589048093).

1312106565603 is a wasteful number, since it uses less digits than its factorization.

1312106565603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50394.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 1312106565603 in words is "one trillion, three hundred twelve billion, one hundred six million, five hundred sixty-five thousand, six hundred three".