12443441141 has 4 divisors (see below), whose sum is σ = 12444669984. Its totient is φ = 12442212300.

The previous prime is 12443441123. The next prime is 12443441173. The reversal of 12443441141 is 14114434421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12443441141 - 2²⁶ = 12376332277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443441341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599105 + ... + 619526.

It is an arithmetic number, because the mean of its divisors is an integer number (3111167496).

Almost surely, 2^12443441141 is an apocalyptic number.

It is an amenable number.

12443441141 is a deficient number, since it is larger than the sum of its proper divisors (1228843).

12443441141 is a wasteful number, since it uses less digits than its factorization.

12443441141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228842.

The product of its digits is 6144, while the sum is 29.

Adding to 12443441141 its reverse (14114434421), we get a palindrome (26557875562).

The spelling of 12443441141 in words is "twelve billion, four hundred forty-three million, four hundred forty-one thousand, one hundred forty-one".