12452400244 has 48 divisors (see below), whose sum is σ = 23667714000. Its totient is φ = 5710555136.

The previous prime is 12452400241. The next prime is 12452400251. The reversal of 12452400244 is 44200425421.

It can be written as a sum of positive squares in 8 ways, for example, as 56250000 + 12396150244 = 7500^2 + 111338^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12452400241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525402 + ... + 548590.

It is an arithmetic number, because the mean of its divisors is an integer number (493077375).

Almost surely, 2^12452400244 is an apocalyptic number.

It is an amenable number.

12452400244 is a deficient number, since it is larger than the sum of its proper divisors (11215313756).

12452400244 is a wasteful number, since it uses less digits than its factorization.

12452400244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23412 (or 23410 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 12452400244 its reverse (44200425421), we get a palindrome (56652825665).

The spelling of 12452400244 in words is "twelve billion, four hundred fifty-two million, four hundred thousand, two hundred forty-four".