12022020212201 has 4 divisors (see below), whose sum is σ = 12024854930004. Its totient is φ = 12019185494400.

The previous prime is 12022020212179. The next prime is 12022020212203. The reversal of 12022020212201 is 10221202022021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11190597205225 + 831423006976 = 3345235^2 + 911824^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022020212201 - 2²² = 12022016017897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12022020212201.

It is not an unprimeable number, because it can be changed into a prime (12022020212203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417352540 + ... + 1417361021.

It is an arithmetic number, because the mean of its divisors is an integer number (3006213732501).

Almost surely, 2^{12022020212201} is an apocalyptic number.

It is an amenable number.

12022020212201 is a deficient number, since it is larger than the sum of its proper divisors (2834717803).

12022020212201 is an equidigital number, since it uses as much as digits as its factorization.

12022020212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834717802.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12022020212201 its reverse (10221202022021), we get a palindrome (22243222234222).

The spelling of 12022020212201 in words is "twelve trillion, twenty-two billion, twenty million, two hundred twelve thousand, two hundred one".