12122120121201 has 12 divisors (see below), whose sum is σ = 17547547059328. Its totient is φ = 8063958954744.

The previous prime is 12122120121197. The next prime is 12122120121253. The reversal of 12122120121201 is 10212102122121.

12122120121201 is a `hidden beast` number, since 1 + 21 + 221 + 201 + 21 + 201 = 666.

It is not a de Polignac number, because 12122120121201 - 2² = 12122120121197 is a prime.

It is a super-2 number, since 2×12122120121201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122120121101) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1454533885 + ... + 1454542218.

Almost surely, 2^{12122120121201} is an apocalyptic number.

It is an amenable number.

12122120121201 is a deficient number, since it is larger than the sum of its proper divisors (5425426938127).

12122120121201 is a wasteful number, since it uses less digits than its factorization.

12122120121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909076572 (or 2909076569 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12122120121201 its reverse (10212102122121), we get a palindrome (22334222243322).

The spelling of 12122120121201 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred one".