12422401443 has 24 divisors (see below), whose sum is σ = 18306512640. Its totient is φ = 8114949360.

The previous prime is 12422401427. The next prime is 12422401469. The reversal of 12422401443 is 34410422421.

It is not a de Polignac number, because 12422401443 - 2⁴ = 12422401427 is a prime.

It is a super-2 number, since 2×12422401443² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12422401543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127530 + ... + 202752.

It is an arithmetic number, because the mean of its divisors is an integer number (762771360).

Almost surely, 2^12422401443 is an apocalyptic number.

12422401443 is a deficient number, since it is larger than the sum of its proper divisors (5884111197).

12422401443 is a wasteful number, since it uses less digits than its factorization.

12422401443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75599 (or 75596 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 12422401443 its reverse (34410422421), we get a palindrome (46832823864).

The spelling of 12422401443 in words is "twelve billion, four hundred twenty-two million, four hundred one thousand, four hundred forty-three".