12201013422252 has 18 divisors (see below), whose sum is σ = 30841450595228. Its totient is φ = 4067004474072.

The previous prime is 12201013422223. The next prime is 12201013422289. The reversal of 12201013422252 is 25222431010221.

12201013422252 is a `hidden beast` number, since 1 + 2 + 201 + 0 + 13 + 422 + 25 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 169458519718 + ... + 169458519789.

Almost surely, 2^{12201013422252} is an apocalyptic number.

12201013422252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12201013422252 is an abundant number, since it is smaller than the sum of its proper divisors (18640437172976).

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

12201013422252 is a wasteful number, since it uses less digits than its factorization.

12201013422252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338917039517 (or 338917039512 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 12201013422252 its reverse (25222431010221), we get a palindrome (37423444432473).

The spelling of 12201013422252 in words is "twelve trillion, two hundred one billion, thirteen million, four hundred twenty-two thousand, two hundred fifty-two".