12442200512 has 56 divisors (see below), whose sum is σ = 28341669504. Its totient is φ = 5308837632.

The previous prime is 12442200503. The next prime is 12442200557. The reversal of 12442200512 is 21500224421.

12442200512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40523 + ... + 162869.

Almost surely, 2^12442200512 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 12442200512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14170834752).

12442200512 is an abundant number, since it is smaller than the sum of its proper divisors (15899468992).

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

12442200512 is a wasteful number, since it uses less digits than its factorization.

12442200512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122593 (or 122583 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 12442200512 its reverse (21500224421), we get a palindrome (33942424933).

The spelling of 12442200512 in words is "twelve billion, four hundred forty-two million, two hundred thousand, five hundred twelve".