12042143441 has 8 divisors (see below), whose sum is σ = 12089351400. Its totient is φ = 11995008768.

The previous prime is 12042143423. The next prime is 12042143467. The reversal of 12042143441 is 14434124021.

It can be written as a sum of positive squares in 4 ways, for example, as 6005475025 + 6036668416 = 77495^2 + 77696^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12042143441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12042143441.

It is not an unprimeable number, because it can be changed into a prime (12042143941) 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, 323315 + ... + 358631.

It is an arithmetic number, because the mean of its divisors is an integer number (1511168925).

Almost surely, 2^12042143441 is an apocalyptic number.

It is an amenable number.

12042143441 is a deficient number, since it is larger than the sum of its proper divisors (47207959).

12042143441 is an equidigital number, since it uses as much as digits as its factorization.

12042143441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36643.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12042143441 its reverse (14434124021), we get a palindrome (26476267462).

The spelling of 12042143441 in words is "twelve billion, forty-two million, one hundred forty-three thousand, four hundred forty-one".