12252043344042 has 48 divisors (see below), whose sum is σ = 26834009290920. Its totient is φ = 4039795440000.

The previous prime is 12252043344011. The next prime is 12252043344043. The reversal of 12252043344042 is 24044334025221.

12252043344042 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 204 + 3 + 3 + 440 + 4 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12138959778201 + 113083565841 = 3484101^2 + 336279^2 .

It is a super-2 number, since 2×12252043344042² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12252043343988 and 12252043344006.

It is not an unprimeable number, because it can be changed into a prime (12252043344043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1208709 + ... + 5095592.

Almost surely, 2^{12252043344042} is an apocalyptic number.

12252043344042 is an abundant number, since it is smaller than the sum of its proper divisors (14581965946878).

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

12252043344042 is a wasteful number, since it uses less digits than its factorization.

12252043344042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305479 (or 6305476 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 12252043344042 its reverse (24044334025221), we get a palindrome (36296377369263).

The spelling of 12252043344042 in words is "twelve trillion, two hundred fifty-two billion, forty-three million, three hundred forty-four thousand, forty-two".