12211413012444 has 12 divisors (see below), whose sum is σ = 28493297029064. Its totient is φ = 4070471004144.

The previous prime is 12211413012413. The next prime is 12211413012457. The reversal of 12211413012444 is 44421031411221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508808875507 + ... + 508808875530.

Almost surely, 2^{12211413012444} is an apocalyptic number.

It is an amenable number.

12211413012444 is an abundant number, since it is smaller than the sum of its proper divisors (16281884016620).

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

12211413012444 is a wasteful number, since it uses less digits than its factorization.

12211413012444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017617751044 (or 1017617751042 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 12211413012444 its reverse (44421031411221), we get a palindrome (56632444423665).

The spelling of 12211413012444 in words is "twelve trillion, two hundred eleven billion, four hundred thirteen million, twelve thousand, four hundred forty-four".