12477912289 has 2 divisors, whose sum is σ = 12477912290. Its totient is φ = 12477912288.

The previous prime is 12477912283. The next prime is 12477912361. The reversal of 12477912289 is 98221977421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9300673600 + 3177238689 = 96440^2 + 56367^2 .

It is a cyclic number.

It is not a de Polignac number, because 12477912289 - 2⁵ = 12477912257 is a prime.

It is not a weakly prime, because it can be changed into another prime (12477912283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6238956144 + 6238956145.

It is an arithmetic number, because the mean of its divisors is an integer number (6238956145).

Almost surely, 2^12477912289 is an apocalyptic number.

It is an amenable number.

12477912289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12477912289 is an equidigital number, since it uses as much as digits as its factorization.

12477912289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 52.

The spelling of 12477912289 in words is "twelve billion, four hundred seventy-seven million, nine hundred twelve thousand, two hundred eighty-nine".