12173242368 has 208 divisors, whose sum is σ = 37502984960. Its totient is φ = 3439853568.

The previous prime is 12173242351. The next prime is 12173242441. The reversal of 12173242368 is 86324237121.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8342823 + ... + 8344281.

Almost surely, 2^12173242368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12173242368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18751492480).

12173242368 is an abundant number, since it is smaller than the sum of its proper divisors (25329742592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12173242368 is an equidigital number, since it uses as much as digits as its factorization.

12173242368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1568 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

Adding to 12173242368 its reverse (86324237121), we get a palindrome (98497479489).

It can be divided in two parts, 12173 and 242368, that added together give a triangular number (254541 = T₇₁₃).

The spelling of 12173242368 in words is "twelve billion, one hundred seventy-three million, two hundred forty-two thousand, three hundred sixty-eight".