12443033125 has 20 divisors (see below), whose sum is σ = 16463464380. Its totient is φ = 9368864000.

The previous prime is 12443033111. The next prime is 12443033137. The reversal of 12443033125 is 52133034421.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 4161669121 + 8281364004 = 64511^2 + 91002^2 .

It is not a de Polignac number, because 12443033125 - 2²⁵ = 12409478693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12443033093 and 12443033102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 574930 + ... + 596179.

It is an arithmetic number, because the mean of its divisors is an integer number (823173219).

Almost surely, 2^12443033125 is an apocalyptic number.

It is an amenable number.

12443033125 is a deficient number, since it is larger than the sum of its proper divisors (4020431255).

12443033125 is an equidigital number, since it uses as much as digits as its factorization.

12443033125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171146 (or 1171131 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 12443033125 its reverse (52133034421), we get a palindrome (64576067546).

The spelling of 12443033125 in words is "twelve billion, four hundred forty-three million, thirty-three thousand, one hundred twenty-five".