12252243163552 has 72 divisors (see below), whose sum is σ = 28063338060996. Its totient is φ = 5250303894528.

The previous prime is 12252243163543. The next prime is 12252243163577. The reversal of 12252243163552 is 25536134225221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11329713649296 + 922529514256 = 3365964^2 + 960484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12252243163499 and 12252243163508.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12141948 + ... + 13112260.

Almost surely, 2^{12252243163552} is an apocalyptic number.

It is an amenable number.

12252243163552 is an abundant number, since it is smaller than the sum of its proper divisors (15811094897444).

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

12252243163552 is an equidigital number, since it uses as much as digits as its factorization.

12252243163552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978390 (or 978375 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

Adding to 12252243163552 its reverse (25536134225221), we get a palindrome (37788377388773).

The spelling of 12252243163552 in words is "twelve trillion, two hundred fifty-two billion, two hundred forty-three million, one hundred sixty-three thousand, five hundred fifty-two".