12201222073 has 2 divisors, whose sum is σ = 12201222074. Its totient is φ = 12201222072.

The previous prime is 12201222037. The next prime is 12201222139. The reversal of 12201222073 is 37022210221.

Together with previous prime (12201222037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8685680809 + 3515541264 = 93197^2 + 59292^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201222073 - 2¹³ = 12201213881 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201222673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100611036 + 6100611037.

It is an arithmetic number, because the mean of its divisors is an integer number (6100611037).

Almost surely, 2^12201222073 is an apocalyptic number.

It is an amenable number.

12201222073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201222073 is an equidigital number, since it uses as much as digits as its factorization.

12201222073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 12201222073 its reverse (37022210221), we get a palindrome (49223432294).

The spelling of 12201222073 in words is "twelve billion, two hundred one million, two hundred twenty-two thousand, seventy-three".