12201224213 has 2 divisors, whose sum is σ = 12201224214. Its totient is φ = 12201224212.

The previous prime is 12201224179. The next prime is 12201224219. The reversal of 12201224213 is 31242210221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7714635889 + 4486588324 = 87833^2 + 66982^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201224213 - 2¹² = 12201220117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201224219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100612106 + 6100612107.

It is an arithmetic number, because the mean of its divisors is an integer number (6100612107).

Almost surely, 2^12201224213 is an apocalyptic number.

It is an amenable number.

12201224213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201224213 is an equidigital number, since it uses as much as digits as its factorization.

12201224213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12201224213 its reverse (31242210221), we get a palindrome (43443434434).

The spelling of 12201224213 in words is "twelve billion, two hundred one million, two hundred twenty-four thousand, two hundred thirteen".