12422420045 has 16 divisors (see below), whose sum is σ = 17038368768. Its totient is φ = 8517277440.

The previous prime is 12422420041. The next prime is 12422420051. The reversal of 12422420045 is 54002422421.

It is not a de Polignac number, because 12422420045 - 2² = 12422420041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12422419996 and 12422420023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422420041) 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, 461765 + ... + 487925.

It is an arithmetic number, because the mean of its divisors is an integer number (1064898048).

Almost surely, 2^12422420045 is an apocalyptic number.

It is an amenable number.

12422420045 is a deficient number, since it is larger than the sum of its proper divisors (4615948723).

12422420045 is a wasteful number, since it uses less digits than its factorization.

12422420045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39740.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 12422420045 its reverse (54002422421), we get a palindrome (66424842466).

The spelling of 12422420045 in words is "twelve billion, four hundred twenty-two million, four hundred twenty thousand, forty-five".