12201222202001 has 128 divisors (see below), whose sum is σ = 15669946368000. Its totient is φ = 9264896169984.

The previous prime is 12201222201989. The next prime is 12201222202063. The reversal of 12201222202001 is 10020222210221.

It is a happy number.

It is not a de Polignac number, because 12201222202001 - 2¹⁰ = 12201222200977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12201222202501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11002003235 + ... + 11002004343.

It is an arithmetic number, because the mean of its divisors is an integer number (122421456000).

Almost surely, 2^{12201222202001} is an apocalyptic number.

It is an amenable number.

12201222202001 is a deficient number, since it is larger than the sum of its proper divisors (3468724165999).

12201222202001 is a wasteful number, since it uses less digits than its factorization.

12201222202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791.

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

Adding to 12201222202001 its reverse (10020222210221), we get a palindrome (22221444412222).

The spelling of 12201222202001 in words is "twelve trillion, two hundred one billion, two hundred twenty-two million, two hundred two thousand, one".