12003012289 has 2 divisors, whose sum is σ = 12003012290. Its totient is φ = 12003012288.

The previous prime is 12003012247. The next prime is 12003012319. The reversal of 12003012289 is 98221030021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10033427889 + 1969584400 = 100167^2 + 44380^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003012289 - 2⁹ = 12003011777 is a prime.

It is not a weakly prime, because it can be changed into another prime (12003012209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001506144 + 6001506145.

It is an arithmetic number, because the mean of its divisors is an integer number (6001506145).

Almost surely, 2^12003012289 is an apocalyptic number.

It is an amenable number.

12003012289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003012289 is an equidigital number, since it uses as much as digits as its factorization.

12003012289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 12003012289 in words is "twelve billion, three million, twelve thousand, two hundred eighty-nine".