12443402440132 has 12 divisors (see below), whose sum is σ = 21788786311740. Its totient is φ = 6218034922496.

The previous prime is 12443402440121. The next prime is 12443402440181. The reversal of 12443402440132 is 23104420434421.

It can be written as a sum of positive squares in 2 ways, for example, as 9778979562496 + 2664422877636 = 3127136^2 + 1632306^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 916566757 + ... + 916580332.

It is an arithmetic number, because the mean of its divisors is an integer number (1815732192645).

Almost surely, 2^{12443402440132} is an apocalyptic number.

It is an amenable number.

12443402440132 is a deficient number, since it is larger than the sum of its proper divisors (9345383871608).

12443402440132 is a wasteful number, since it uses less digits than its factorization.

12443402440132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833148790 (or 1833148788 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 12443402440132 its reverse (23104420434421), we get a palindrome (35547822874553).

The spelling of 12443402440132 in words is "twelve trillion, four hundred forty-three billion, four hundred two million, four hundred forty thousand, one hundred thirty-two".