12422051452 has 6 divisors (see below), whose sum is σ = 21738590048. Its totient is φ = 6211025724.

The previous prime is 12422051443. The next prime is 12422051459. The reversal of 12422051452 is 25415022421.

It is a happy number.

It is a super-2 number, since 2×12422051452² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12422051452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422051459) 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 as a sum of consecutive naturals, namely, 1552756428 + ... + 1552756435.

Almost surely, 2^12422051452 is an apocalyptic number.

It is an amenable number.

12422051452 is a deficient number, since it is larger than the sum of its proper divisors (9316538596).

12422051452 is a wasteful number, since it uses less digits than its factorization.

12422051452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105512867 (or 3105512865 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 12422051452 its reverse (25415022421), we get a palindrome (37837073873).

The spelling of 12422051452 in words is "twelve billion, four hundred twenty-two million, fifty-one thousand, four hundred fifty-two".