12044401289 has 2 divisors, whose sum is σ = 12044401290. Its totient is φ = 12044401288.

The previous prime is 12044401277. The next prime is 12044401333. The reversal of 12044401289 is 98210444021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10540512889 + 1503888400 = 102667^2 + 38780^2 .

It is an emirp because it is prime and its reverse (98210444021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12044401289 - 2¹² = 12044397193 is a prime.

It is not a weakly prime, because it can be changed into another prime (12044404289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022200644 + 6022200645.

It is an arithmetic number, because the mean of its divisors is an integer number (6022200645).

Almost surely, 2^12044401289 is an apocalyptic number.

It is an amenable number.

12044401289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12044401289 is an equidigital number, since it uses as much as digits as its factorization.

12044401289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 12044401289 in words is "twelve billion, forty-four million, four hundred one thousand, two hundred eighty-nine".