12012202212201 has 24 divisors (see below), whose sum is σ = 18065532455880. Its totient is φ = 7684735507200.

The previous prime is 12012202212167. The next prime is 12012202212211. The reversal of 12012202212201 is 10221220221021.

It is a happy number.

12012202212201 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 220 + 221 + 220 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 344922464601 + 11667279747600 = 587301^2 + 3415740^2 .

It is not a de Polignac number, because 12012202212201 - 2³⁰ = 12011128470377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012202212211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266808586 + ... + 266853603.

It is an arithmetic number, because the mean of its divisors is an integer number (752730518995).

Almost surely, 2^{12012202212201} is an apocalyptic number.

It is an amenable number.

12012202212201 is a deficient number, since it is larger than the sum of its proper divisors (6053330243679).

12012202212201 is a wasteful number, since it uses less digits than its factorization.

12012202212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533662297 (or 533662294 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12012202212201 its reverse (10221220221021), we get a palindrome (22233422433222).

The spelling of 12012202212201 in words is "twelve trillion, twelve billion, two hundred two million, two hundred twelve thousand, two hundred one".