12103041161 has 2 divisors, whose sum is σ = 12103041162. Its totient is φ = 12103041160.

The previous prime is 12103041157. The next prime is 12103041179. The reversal of 12103041161 is 16114030121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11410298761 + 692742400 = 106819^2 + 26320^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103041161 - 2² = 12103041157 is a prime.

It is not a weakly prime, because it can be changed into another prime (12103041101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051520580 + 6051520581.

It is an arithmetic number, because the mean of its divisors is an integer number (6051520581).

Almost surely, 2^12103041161 is an apocalyptic number.

It is an amenable number.

12103041161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103041161 is an equidigital number, since it uses as much as digits as its factorization.

12103041161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12103041161 its reverse (16114030121), we get a palindrome (28217071282).

The spelling of 12103041161 in words is "twelve billion, one hundred three million, forty-one thousand, one hundred sixty-one".