12204101241521 has 8 divisors (see below), whose sum is σ = 14244300537600. Its totient is φ = 10238091010848.

The previous prime is 12204101241503. The next prime is 12204101241571. The reversal of 12204101241521 is 12514210140221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12204101241521 - 2²⁶ = 12204034132657 is a prime.

It is a super-2 number, since 2×12204101241521² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12204101241571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18547265996 + ... + 18547266653.

It is an arithmetic number, because the mean of its divisors is an integer number (1780537567200).

Almost surely, 2^{12204101241521} is an apocalyptic number.

It is an amenable number.

12204101241521 is a deficient number, since it is larger than the sum of its proper divisors (2040199296079).

12204101241521 is an equidigital number, since it uses as much as digits as its factorization.

12204101241521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37094532703.

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 12204101241521 its reverse (12514210140221), we get a palindrome (24718311381742).

The spelling of 12204101241521 in words is "twelve trillion, two hundred four billion, one hundred one million, two hundred forty-one thousand, five hundred twenty-one".