12582170823 has 8 divisors (see below), whose sum is σ = 17659187200. Its totient is φ = 7946634168.

The previous prime is 12582170819. The next prime is 12582170833. The reversal of 12582170823 is 32807128521.

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

It is not a de Polignac number, because 12582170823 - 2² = 12582170819 is a prime.

It is a super-2 number, since 2×12582170823² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12582170833) 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, 110369863 + ... + 110369976.

It is an arithmetic number, because the mean of its divisors is an integer number (2207398400).

Almost surely, 2^12582170823 is an apocalyptic number.

12582170823 is a deficient number, since it is larger than the sum of its proper divisors (5077016377).

12582170823 is a wasteful number, since it uses less digits than its factorization.

12582170823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220739861.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 12582170823 in words is "twelve billion, five hundred eighty-two million, one hundred seventy thousand, eight hundred twenty-three".