12422454145 has 16 divisors (see below), whose sum is σ = 15416847360. Its totient is φ = 9603382464.

The previous prime is 12422454139. The next prime is 12422454179. The reversal of 12422454145 is 54145422421.

It is a cyclic number.

It is not a de Polignac number, because 12422454145 - 2⁵ = 12422454113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12422454145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316002 + ... + 353131.

It is an arithmetic number, because the mean of its divisors is an integer number (963552960).

Almost surely, 2^12422454145 is an apocalyptic number.

It is an amenable number.

12422454145 is a deficient number, since it is larger than the sum of its proper divisors (2994393215).

12422454145 is an equidigital number, since it uses as much as digits as its factorization.

12422454145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669264.

The product of its digits is 51200, while the sum is 34.

Adding to 12422454145 its reverse (54145422421), we get a palindrome (66567876566).

The spelling of 12422454145 in words is "twelve billion, four hundred twenty-two million, four hundred fifty-four thousand, one hundred forty-five".