12418545312822 has 128 divisors (see below), whose sum is σ = 28194034798080. Its totient is φ = 3613391907840.

The previous prime is 12418545312821. The next prime is 12418545312881. The reversal of 12418545312822 is 22821354581421.

It is a super-2 number, since 2×12418545312822² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12418545312821) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113613148 + ... + 113722400.

It is an arithmetic number, because the mean of its divisors is an integer number (220265896860).

Almost surely, 2^{12418545312822} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12418545312822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14097017399040).

12418545312822 is an abundant number, since it is smaller than the sum of its proper divisors (15775489485258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12418545312822 is a wasteful number, since it uses less digits than its factorization.

12418545312822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109918.

The product of its digits is 1228800, while the sum is 48.

The spelling of 12418545312822 in words is "twelve trillion, four hundred eighteen billion, five hundred forty-five million, three hundred twelve thousand, eight hundred twenty-two".