12050264561 has 2 divisors, whose sum is σ = 12050264562. Its totient is φ = 12050264560.

The previous prime is 12050264543. The next prime is 12050264641. The reversal of 12050264561 is 16546205021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6654480625 + 5395783936 = 81575^2 + 73456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12050264561 is a prime.

It is not a weakly prime, because it can be changed into another prime (12050260561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6025132280 + 6025132281.

It is an arithmetic number, because the mean of its divisors is an integer number (6025132281).

Almost surely, 2^12050264561 is an apocalyptic number.

It is an amenable number.

12050264561 is a deficient number, since it is larger than the sum of its proper divisors (1).

12050264561 is an equidigital number, since it uses as much as digits as its factorization.

12050264561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 12050264561 its reverse (16546205021), we get a palindrome (28596469582).

The spelling of 12050264561 in words is "twelve billion, fifty million, two hundred sixty-four thousand, five hundred sixty-one".