12322203021178 has 32 divisors (see below), whose sum is σ = 20583033431040. Its totient is φ = 5505749633280.

The previous prime is 12322203021101. The next prime is 12322203021179. The reversal of 12322203021178 is 87112030222321.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (12322203021179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110235598 + ... + 110347321.

It is an arithmetic number, because the mean of its divisors is an integer number (643219794720).

Almost surely, 2^{12322203021178} is an apocalyptic number.

12322203021178 is a deficient number, since it is larger than the sum of its proper divisors (8260830409862).

12322203021178 is a wasteful number, since it uses less digits than its factorization.

12322203021178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220583022.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 12322203021178 its reverse (87112030222321), we get a palindrome (99434233243499).

The spelling of 12322203021178 in words is "twelve trillion, three hundred twenty-two billion, two hundred three million, twenty-one thousand, one hundred seventy-eight".