12231113054552 has 128 divisors (see below), whose sum is σ = 27501004137600. Its totient is φ = 4990930255872.

The previous prime is 12231113054549. The next prime is 12231113054561. The reversal of 12231113054552 is 25545031113221.

12231113054552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17545688 + ... + 18229464.

It is an arithmetic number, because the mean of its divisors is an integer number (214851594825).

Almost surely, 2^{12231113054552} 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 12231113054552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13750502068800).

12231113054552 is an abundant number, since it is smaller than the sum of its proper divisors (15269891083048).

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

12231113054552 is a wasteful number, since it uses less digits than its factorization.

12231113054552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684013 (or 684009 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 12231113054552 its reverse (25545031113221), we get a palindrome (37776144167773).

The spelling of 12231113054552 in words is "twelve trillion, two hundred thirty-one billion, one hundred thirteen million, fifty-four thousand, five hundred fifty-two".