12022002321121 has 24 divisors (see below), whose sum is σ = 13164264400320. Its totient is φ = 10973161233216.

The previous prime is 12022002321083. The next prime is 12022002321151. The reversal of 12022002321121 is 12112320022021.

It is not a de Polignac number, because 12022002321121 - 2⁹ = 12022002320609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022002321151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4319100 + ... + 6534418.

It is an arithmetic number, because the mean of its divisors is an integer number (548511016680).

Almost surely, 2^{12022002321121} is an apocalyptic number.

It is an amenable number.

12022002321121 is a deficient number, since it is larger than the sum of its proper divisors (1142262079199).

12022002321121 is a wasteful number, since it uses less digits than its factorization.

12022002321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215705 (or 2215692 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12022002321121 its reverse (12112320022021), we get a palindrome (24134322343142).

The spelling of 12022002321121 in words is "twelve trillion, twenty-two billion, two million, three hundred twenty-one thousand, one hundred twenty-one".