1312110363663 has 72 divisors (see below), whose sum is σ = 2182836495840. Its totient is φ = 757484006400.

The previous prime is 1312110363649. The next prime is 1312110363671. The reversal of 1312110363663 is 3663630112131.

1312110363663 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 1 + 10 + 3 + 636 + 6 + 3 = 666.

It is not a de Polignac number, because 1312110363663 - 2⁸ = 1312110363407 is a prime.

It is a super-2 number, since 2×1312110363663² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312110368663) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5927643 + ... + 6145011.

Almost surely, 2^{1312110363663} is an apocalyptic number.

1312110363663 is a deficient number, since it is larger than the sum of its proper divisors (870726132177).

1312110363663 is a wasteful number, since it uses less digits than its factorization.

1312110363663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217661 (or 217647 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

Adding to 1312110363663 its reverse (3663630112131), we get a palindrome (4975740475794).

The spelling of 1312110363663 in words is "one trillion, three hundred twelve billion, one hundred ten million, three hundred sixty-three thousand, six hundred sixty-three".