1312520562163 has 8 divisors (see below), whose sum is σ = 1354912087040. Its totient is φ = 1270132296840.

The previous prime is 1312520562127. The next prime is 1312520562193. The reversal of 1312520562163 is 3612650252131.

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 1312520562163 - 2²⁵ = 1312487007731 is a prime.

It is a super-2 number, since 2×1312520562163² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312520562193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16948 + ... + 1620286.

It is an arithmetic number, because the mean of its divisors is an integer number (169364010880).

Almost surely, 2^{1312520562163} is an apocalyptic number.

1312520562163 is a deficient number, since it is larger than the sum of its proper divisors (42391524877).

1312520562163 is a wasteful number, since it uses less digits than its factorization.

1312520562163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629777.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 1312520562163 in words is "one trillion, three hundred twelve billion, five hundred twenty million, five hundred sixty-two thousand, one hundred sixty-three".