12255053221 has 2 divisors, whose sum is σ = 12255053222. Its totient is φ = 12255053220.

The previous prime is 12255053201. The next prime is 12255053227. The reversal of 12255053221 is 12235055221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7629149025 + 4625904196 = 87345^2 + 68014^2 .

It is a cyclic number.

It is not a de Polignac number, because 12255053221 - 2¹¹ = 12255051173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12255053221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12255053227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127526610 + 6127526611.

It is an arithmetic number, because the mean of its divisors is an integer number (6127526611).

Almost surely, 2^12255053221 is an apocalyptic number.

It is an amenable number.

12255053221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12255053221 is an equidigital number, since it uses as much as digits as its factorization.

12255053221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 12255053221 in words is "twelve billion, two hundred fifty-five million, fifty-three thousand, two hundred twenty-one".