12200000121021 has 8 divisors (see below), whose sum is σ = 16644961405600. Its totient is φ = 7944186125232.

The previous prime is 12200000120993. The next prime is 12200000121151. The reversal of 12200000121021 is 12012100000221.

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

It is not a de Polignac number, because 12200000121021 - 2¹⁰ = 12200000119997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12200000120988 and 12200000121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200000121521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47286822046 + ... + 47286822303.

It is an arithmetic number, because the mean of its divisors is an integer number (2080620175700).

Almost surely, 2^{12200000121021} is an apocalyptic number.

It is an amenable number.

12200000121021 is a deficient number, since it is larger than the sum of its proper divisors (4444961284579).

12200000121021 is an equidigital number, since it uses as much as digits as its factorization.

12200000121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94573644395.

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

Adding to 12200000121021 its reverse (12012100000221), we get a palindrome (24212100121242).

The spelling of 12200000121021 in words is "twelve trillion, two hundred billion, one hundred twenty-one thousand, twenty-one".