12201212220227 has 2 divisors, whose sum is σ = 12201212220228. Its totient is φ = 12201212220226.

The previous prime is 12201212220097. The next prime is 12201212220233. The reversal of 12201212220227 is 72202221210221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12201212220227 - 2³⁰ = 12200138478403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12201212220196 and 12201212220205.

It is not a weakly prime, because it can be changed into another prime (12201212280227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100606110113 + 6100606110114.

It is an arithmetic number, because the mean of its divisors is an integer number (6100606110114).

Almost surely, 2^{12201212220227} is an apocalyptic number.

12201212220227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201212220227 is an equidigital number, since it uses as much as digits as its factorization.

12201212220227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 12201212220227 its reverse (72202221210221), we get a palindrome (84403433430448).

The spelling of 12201212220227 in words is "twelve trillion, two hundred one billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty-seven".