12422042354561 has 4 divisors (see below), whose sum is σ = 14196619833792. Its totient is φ = 10647464875332.

The previous prime is 12422042354429. The next prime is 12422042354569. The reversal of 12422042354561 is 16545324022421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12422042354561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12422042354569) 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 3 ways as a sum of consecutive naturals, for example, 887288739605 + ... + 887288739618.

It is an arithmetic number, because the mean of its divisors is an integer number (3549154958448).

Almost surely, 2^{12422042354561} is an apocalyptic number.

It is an amenable number.

12422042354561 is a deficient number, since it is larger than the sum of its proper divisors (1774577479231).

12422042354561 is an equidigital number, since it uses as much as digits as its factorization.

12422042354561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774577479230.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 12422042354561 its reverse (16545324022421), we get a palindrome (28967366376982).

The spelling of 12422042354561 in words is "twelve trillion, four hundred twenty-two billion, forty-two million, three hundred fifty-four thousand, five hundred sixty-one".