12204044040257 has 2 divisors, whose sum is σ = 12204044040258. Its totient is φ = 12204044040256.

The previous prime is 12204044040187. The next prime is 12204044040317. The reversal of 12204044040257 is 75204044040221.

12204044040257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8510732643856 + 3693311396401 = 2917316^2 + 1921799^2 .

It is a cyclic number.

It is not a de Polignac number, because 12204044040257 - 2¹² = 12204044036161 is a prime.

It is not a weakly prime, because it can be changed into another prime (12204044042257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102022020128 + 6102022020129.

It is an arithmetic number, because the mean of its divisors is an integer number (6102022020129).

Almost surely, 2^{12204044040257} is an apocalyptic number.

It is an amenable number.

12204044040257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12204044040257 is an equidigital number, since it uses as much as digits as its factorization.

12204044040257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 35.

Adding to 12204044040257 its reverse (75204044040221), we get a palindrome (87408088080478).

The spelling of 12204044040257 in words is "twelve trillion, two hundred four billion, forty-four million, forty thousand, two hundred fifty-seven".