12422171783 has 12 divisors (see below), whose sum is σ = 14411858832. Its totient is φ = 10488630240.

The previous prime is 12422171767. The next prime is 12422171803. The reversal of 12422171783 is 38717122421.

12422171783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12422171783 - 2⁴ = 12422171767 is a prime.

It is a super-3 number, since 3×12422171783³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422176783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166238 + ... + 229083.

It is an arithmetic number, because the mean of its divisors is an integer number (1200988236).

Almost surely, 2^12422171783 is an apocalyptic number.

12422171783 is a deficient number, since it is larger than the sum of its proper divisors (1989687049).

12422171783 is an frugal number, since it uses more digits than its factorization.

12422171783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395462 (or 395395 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The spelling of 12422171783 in words is "twelve billion, four hundred twenty-two million, one hundred seventy-one thousand, seven hundred eighty-three".