12001002220105 has 32 divisors (see below), whose sum is σ = 16051278764160. Its totient is φ = 8560252431360.

The previous prime is 12001002220079. The next prime is 12001002220111. The reversal of 12001002220105 is 50102220010021.

It is a happy number.

It is not a de Polignac number, because 12001002220105 - 2¹⁷ = 12001002089033 is a prime.

It is a super-2 number, since 2×12001002220105² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 93171207 + ... + 93299923.

It is an arithmetic number, because the mean of its divisors is an integer number (501602461380).

Almost surely, 2^{12001002220105} is an apocalyptic number.

It is an amenable number.

12001002220105 is a deficient number, since it is larger than the sum of its proper divisors (4050276544055).

12001002220105 is a wasteful number, since it uses less digits than its factorization.

12001002220105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186489.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 12001002220105 its reverse (50102220010021), we get a palindrome (62103222230126).

The spelling of 12001002220105 in words is "twelve trillion, one billion, two million, two hundred twenty thousand, one hundred five".