12405622289 has 4 divisors (see below), whose sum is σ = 12487778880. Its totient is φ = 12323465700.

The previous prime is 12405622283. The next prime is 12405622319. The reversal of 12405622289 is 98222650421.

It is a happy number.

12405622289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12405622289 - 2¹² = 12405618193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12405622283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41078069 + ... + 41078370.

It is an arithmetic number, because the mean of its divisors is an integer number (3121944720).

Almost surely, 2^12405622289 is an apocalyptic number.

It is an amenable number.

12405622289 is a deficient number, since it is larger than the sum of its proper divisors (82156591).

12405622289 is an equidigital number, since it uses as much as digits as its factorization.

12405622289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82156590.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 12405622289 in words is "twelve billion, four hundred five million, six hundred twenty-two thousand, two hundred eighty-nine".