12201020000121 has 8 divisors (see below), whose sum is σ = 16396121365504. Its totient is φ = 8069965984080.

The previous prime is 12201020000069. The next prime is 12201020000123. The reversal of 12201020000121 is 12100002010221.

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

It is not a de Polignac number, because 12201020000121 - 2¹⁹ = 12201019475833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201020000097 and 12201020000106.

It is not an unprimeable number, because it can be changed into a prime (12201020000123) 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, 16011836890 + ... + 16011837651.

It is an arithmetic number, because the mean of its divisors is an integer number (2049515170688).

Almost surely, 2^{12201020000121} is an apocalyptic number.

It is an amenable number.

12201020000121 is a deficient number, since it is larger than the sum of its proper divisors (4195101365383).

12201020000121 is a wasteful number, since it uses less digits than its factorization.

12201020000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32023674671.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12201020000121 its reverse (12100002010221), we get a palindrome (24301022010342).

The spelling of 12201020000121 in words is "twelve trillion, two hundred one billion, twenty million, one hundred twenty-one", and thus it is an aban number.