12532032600161 has 4 divisors (see below), whose sum is σ = 12532180536324. Its totient is φ = 12531884664000.

The previous prime is 12532032600013. The next prime is 12532032600221. The reversal of 12532032600161 is 16100623023521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1451256311761 + 11080776288400 = 1204681^2 + 3328780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12532032600161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12532032600761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73840940 + ... + 74010461.

It is an arithmetic number, because the mean of its divisors is an integer number (3133045134081).

Almost surely, 2^{12532032600161} is an apocalyptic number.

It is an amenable number.

12532032600161 is a deficient number, since it is larger than the sum of its proper divisors (147936163).

12532032600161 is an equidigital number, since it uses as much as digits as its factorization.

12532032600161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147936162.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 12532032600161 its reverse (16100623023521), we get a palindrome (28632655623682).

The spelling of 12532032600161 in words is "twelve trillion, five hundred thirty-two billion, thirty-two million, six hundred thousand, one hundred sixty-one".