12422004544 has 56 divisors (see below), whose sum is σ = 25697419776. Its totient is φ = 5951040000.

The previous prime is 12422004527. The next prime is 12422004557. The reversal of 12422004544 is 44540022421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169389 + ... + 231379.

It is an arithmetic number, because the mean of its divisors is an integer number (458882496).

Almost surely, 2^12422004544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12422004544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12848709888).

12422004544 is an abundant number, since it is smaller than the sum of its proper divisors (13275415232).

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

12422004544 is a wasteful number, since it uses less digits than its factorization.

12422004544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62135 (or 62125 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 12422004544 its reverse (44540022421), we get a palindrome (56962026965).

The spelling of 12422004544 in words is "twelve billion, four hundred twenty-two million, four thousand, five hundred forty-four".