12050689477 has 2 divisors, whose sum is σ = 12050689478. Its totient is φ = 12050689476.

The previous prime is 12050689471. The next prime is 12050689531. The reversal of 12050689477 is 77498605021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10779838276 + 1270851201 = 103826^2 + 35649^2 .

It is a cyclic number.

It is not a de Polignac number, because 12050689477 - 2¹⁹ = 12050165189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12050689477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12050689471) 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 as a sum of consecutive naturals, namely, 6025344738 + 6025344739.

It is an arithmetic number, because the mean of its divisors is an integer number (6025344739).

Almost surely, 2^12050689477 is an apocalyptic number.

It is an amenable number.

12050689477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12050689477 is an equidigital number, since it uses as much as digits as its factorization.

12050689477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 12050689477 in words is "twelve billion, fifty million, six hundred eighty-nine thousand, four hundred seventy-seven".