12322251444 has 24 divisors (see below), whose sum is σ = 28754345088. Its totient is φ = 4107070720.

The previous prime is 12322251443. The next prime is 12322251509. The reversal of 12322251444 is 44415222321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322251443) 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 in 7 ways as a sum of consecutive naturals, for example, 133909 + ... + 206339.

It is an arithmetic number, because the mean of its divisors is an integer number (1198097712).

Almost surely, 2^12322251444 is an apocalyptic number.

It is an amenable number.

12322251444 is an abundant number, since it is smaller than the sum of its proper divisors (16432093644).

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

12322251444 is a wasteful number, since it uses less digits than its factorization.

12322251444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86615 (or 86613 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

Adding to 12322251444 its reverse (44415222321), we get a palindrome (56737473765).

The spelling of 12322251444 in words is "twelve billion, three hundred twenty-two million, two hundred fifty-one thousand, four hundred forty-four".