12200001011161 has 2 divisors, whose sum is σ = 12200001011162. Its totient is φ = 12200001011160.

The previous prime is 12200001011047. The next prime is 12200001011167. The reversal of 12200001011161 is 16111010000221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12026545420761 + 173455590400 = 3467931^2 + 416480^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200001011161 - 2²³ = 12199992622553 is a prime.

It is not a weakly prime, because it can be changed into another prime (12200001011167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100000505580 + 6100000505581.

It is an arithmetic number, because the mean of its divisors is an integer number (6100000505581).

Almost surely, 2^{12200001011161} is an apocalyptic number.

It is an amenable number.

12200001011161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200001011161 is an equidigital number, since it uses as much as digits as its factorization.

12200001011161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12200001011161 its reverse (16111010000221), we get a palindrome (28311011011382).

The spelling of 12200001011161 in words is "twelve trillion, two hundred billion, one million, eleven thousand, one hundred sixty-one".