12202220022257 has 2 divisors, whose sum is σ = 12202220022258. Its totient is φ = 12202220022256.

The previous prime is 12202220022211. The next prime is 12202220022269. The reversal of 12202220022257 is 75222002220221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11550964566241 + 651255456016 = 3398671^2 + 807004^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202220022257 - 2⁶ = 12202220022193 is a prime.

It is not a weakly prime, because it can be changed into another prime (12202220052257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101110011128 + 6101110011129.

It is an arithmetic number, because the mean of its divisors is an integer number (6101110011129).

Almost surely, 2^{12202220022257} is an apocalyptic number.

It is an amenable number.

12202220022257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202220022257 is an equidigital number, since it uses as much as digits as its factorization.

12202220022257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 29.

Adding to 12202220022257 its reverse (75222002220221), we get a palindrome (87424222242478).

The spelling of 12202220022257 in words is "twelve trillion, two hundred two billion, two hundred twenty million, twenty-two thousand, two hundred fifty-seven".