12817043662 has 8 divisors (see below), whose sum is σ = 19226193336. Its totient is φ = 6408312552.

The previous prime is 12817043647. The next prime is 12817043671. The reversal of 12817043662 is 26634071821.

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

It is a super-2 number, since 2×12817043662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11508 + ... + 160519.

It is an arithmetic number, because the mean of its divisors is an integer number (2403274167).

Almost surely, 2^12817043662 is an apocalyptic number.

12817043662 is a deficient number, since it is larger than the sum of its proper divisors (6409149674).

12817043662 is a wasteful number, since it uses less digits than its factorization.

12817043662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209282.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 12817043662 in words is "twelve billion, eight hundred seventeen million, forty-three thousand, six hundred sixty-two".