12050886521 has 2 divisors, whose sum is σ = 12050886522. Its totient is φ = 12050886520.

The previous prime is 12050886503. The next prime is 12050886599. The reversal of 12050886521 is 12568805021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10514246521 + 1536640000 = 102539^2 + 39200^2 .

It is a cyclic number.

It is not a de Polignac number, because 12050886521 - 2⁶ = 12050886457 is a prime.

It is not a weakly prime, because it can be changed into another prime (12050186521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6025443260 + 6025443261.

It is an arithmetic number, because the mean of its divisors is an integer number (6025443261).

Almost surely, 2^12050886521 is an apocalyptic number.

It is an amenable number.

12050886521 is a deficient number, since it is larger than the sum of its proper divisors (1).

12050886521 is an equidigital number, since it uses as much as digits as its factorization.

12050886521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 12050886521 in words is "twelve billion, fifty million, eight hundred eighty-six thousand, five hundred twenty-one".