12285011289 has 4 divisors (see below), whose sum is σ = 16380015056. Its totient is φ = 8190007524.

The previous prime is 12285011281. The next prime is 12285011309. The reversal of 12285011289 is 98211058221.

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 not a de Polignac number, because 12285011289 - 2³ = 12285011281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12285011281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2047501879 + ... + 2047501884.

It is an arithmetic number, because the mean of its divisors is an integer number (4095003764).

Almost surely, 2^12285011289 is an apocalyptic number.

It is an amenable number.

12285011289 is a deficient number, since it is larger than the sum of its proper divisors (4095003767).

12285011289 is an equidigital number, since it uses as much as digits as its factorization.

12285011289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095003766.

The product of its (nonzero) digits is 23040, while the sum is 39.

The spelling of 12285011289 in words is "twelve billion, two hundred eighty-five million, eleven thousand, two hundred eighty-nine".