12211210212201 has 72 divisors (see below), whose sum is σ = 23812470092736. Its totient is φ = 5855525320320.

The previous prime is 12211210212127. The next prime is 12211210212221. The reversal of 12211210212201 is 10221201211221.

12211210212201 is a `hidden beast` number, since 1 + 2 + 211 + 210 + 21 + 220 + 1 = 666.

12211210212201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12211210212201 - 2¹⁰ = 12211210211177 is a prime.

It is a super-2 number, since 2×12211210212201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211210212221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 52015410 + ... + 52249643.

It is an arithmetic number, because the mean of its divisors is an integer number (330728751288).

Almost surely, 2^{12211210212201} is an apocalyptic number.

12211210212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12211210212201 is a deficient number, since it is larger than the sum of its proper divisors (11601259880535).

12211210212201 is a wasteful number, since it uses less digits than its factorization.

12211210212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104265103 (or 104265087 counting only the distinct ones).

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

Adding to 12211210212201 its reverse (10221201211221), we get a palindrome (22432411423422).

The spelling of 12211210212201 in words is "twelve trillion, two hundred eleven billion, two hundred ten million, two hundred twelve thousand, two hundred one".