12225542652241 has 4 divisors (see below), whose sum is σ = 12393015839332. Its totient is φ = 12058069465152.

The previous prime is 12225542652233. The next prime is 12225542652247. The reversal of 12225542652241 is 14225624552221.

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 7026321819841 + 5199220832400 = 2650721^2 + 2280180^2 .

It is a cyclic number.

It is not a de Polignac number, because 12225542652241 - 2³ = 12225542652233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12225542652247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83736593436 + ... + 83736593581.

It is an arithmetic number, because the mean of its divisors is an integer number (3098253959833).

Almost surely, 2^{12225542652241} is an apocalyptic number.

It is an amenable number.

12225542652241 is a deficient number, since it is larger than the sum of its proper divisors (167473187091).

12225542652241 is an equidigital number, since it uses as much as digits as its factorization.

12225542652241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167473187090.

The product of its digits is 768000, while the sum is 43.

The spelling of 12225542652241 in words is "twelve trillion, two hundred twenty-five billion, five hundred forty-two million, six hundred fifty-two thousand, two hundred forty-one".