12162717755999 has 8 divisors (see below), whose sum is σ = 12878486146368. Its totient is φ = 11446984299520.

The previous prime is 12162717755959. The next prime is 12162717756001. The reversal of 12162717755999 is 99955771726121.

It is a happy number.

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 12162717755999 - 2²⁰ = 12162716707423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162717755959) 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, 8014967 + ... + 9410904.

It is an arithmetic number, because the mean of its divisors is an integer number (1609810768296).

Almost surely, 2^{12162717755999} is an apocalyptic number.

12162717755999 is a deficient number, since it is larger than the sum of its proper divisors (715768390369).

12162717755999 is a wasteful number, since it uses less digits than its factorization.

12162717755999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17466945.

The product of its digits is 150028200, while the sum is 71.

The spelling of 12162717755999 in words is "twelve trillion, one hundred sixty-two billion, seven hundred seventeen million, seven hundred fifty-five thousand, nine hundred ninety-nine".