1203234332161 has 2 divisors, whose sum is σ = 1203234332162. Its totient is φ = 1203234332160.

The previous prime is 1203234332141. The next prime is 1203234332243. The reversal of 1203234332161 is 1612334323021.

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., 654828916225 + 548405415936 = 809215^2 + 740544^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203234332161 - 2⁵ = 1203234332129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203234332141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601617166080 + 601617166081.

It is an arithmetic number, because the mean of its divisors is an integer number (601617166081).

Almost surely, 2^{1203234332161} is an apocalyptic number.

It is an amenable number.

1203234332161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203234332161 is an equidigital number, since it uses as much as digits as its factorization.

1203234332161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 1203234332161 its reverse (1612334323021), we get a palindrome (2815568655182).

The spelling of 1203234332161 in words is "one trillion, two hundred three billion, two hundred thirty-four million, three hundred thirty-two thousand, one hundred sixty-one".