12022212021121 has 4 divisors (see below), whose sum is σ = 12035408742144. Its totient is φ = 12009015300100.

The previous prime is 12022212021107. The next prime is 12022212021133. The reversal of 12022212021121 is 12112021222021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12022212021121 - 2⁴¹ = 9823188765569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022212021821) 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 3 ways as a sum of consecutive naturals, for example, 6598359145 + ... + 6598360966.

It is an arithmetic number, because the mean of its divisors is an integer number (3008852185536).

Almost surely, 2^{12022212021121} is an apocalyptic number.

It is an amenable number.

12022212021121 is a deficient number, since it is larger than the sum of its proper divisors (13196721023).

12022212021121 is an equidigital number, since it uses as much as digits as its factorization.

12022212021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13196721022.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12022212021121 its reverse (12112021222021), we get a palindrome (24134233243142).

The spelling of 12022212021121 in words is "twelve trillion, twenty-two billion, two hundred twelve million, twenty-one thousand, one hundred twenty-one".