12444243204135 has 8 divisors (see below), whose sum is σ = 19910789126640. Its totient is φ = 6636929708864.

The previous prime is 12444243203993. The next prime is 12444243204139. The reversal of 12444243204135 is 53140234244421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12444243204135 - 2⁸ = 12444243203879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12444243204093 and 12444243204102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444243204139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414808106790 + ... + 414808106819.

It is an arithmetic number, because the mean of its divisors is an integer number (2488848640830).

Almost surely, 2^{12444243204135} is an apocalyptic number.

12444243204135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12444243204135 is a deficient number, since it is larger than the sum of its proper divisors (7466545922505).

12444243204135 is an equidigital number, since it uses as much as digits as its factorization.

12444243204135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829616213617.

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 12444243204135 its reverse (53140234244421), we get a palindrome (65584477448556).

The spelling of 12444243204135 in words is "twelve trillion, four hundred forty-four billion, two hundred forty-three million, two hundred four thousand, one hundred thirty-five".