12012122100001 has 16 divisors (see below), whose sum is σ = 12074369535360. Its totient is φ = 11950052880640.

The previous prime is 12012122099947. The next prime is 12012122100053. The reversal of 12012122100001 is 10000122121021.

It is a cyclic number.

It is not a de Polignac number, because 12012122100001 - 2²⁷ = 12011987882273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012122100401) 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 15 ways as a sum of consecutive naturals, for example, 319291170 + ... + 319328788.

It is an arithmetic number, because the mean of its divisors is an integer number (754648095960).

Almost surely, 2^{12012122100001} is an apocalyptic number.

It is an amenable number.

12012122100001 is a deficient number, since it is larger than the sum of its proper divisors (62247435359).

12012122100001 is a wasteful number, since it uses less digits than its factorization.

12012122100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39944.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12012122100001 its reverse (10000122121021), we get a palindrome (22012244221022).

The spelling of 12012122100001 in words is "twelve trillion, twelve billion, one hundred twenty-two million, one hundred thousand, one".