12212112102201 has 96 divisors (see below), whose sum is σ = 20748569886720. Its totient is φ = 6848398972800.

The previous prime is 12212112102163. The next prime is 12212112102221. The reversal of 12212112102201 is 10220121121221.

12212112102201 is a `hidden beast` number, since 1 + 2 + 21 + 211 + 210 + 220 + 1 = 666.

It is not a de Polignac number, because 12212112102201 - 2⁶ = 12212112102137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212112102221) 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 95 ways as a sum of consecutive naturals, for example, 8501020 + ... + 9833186.

It is an arithmetic number, because the mean of its divisors is an integer number (216130936320).

Almost surely, 2^{12212112102201} is an apocalyptic number.

12212112102201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12212112102201 is a deficient number, since it is larger than the sum of its proper divisors (8536457784519).

12212112102201 is a wasteful number, since it uses less digits than its factorization.

12212112102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332347 (or 1332344 counting only the distinct ones).

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

Adding to 12212112102201 its reverse (10220121121221), we get a palindrome (22432233223422).

The spelling of 12212112102201 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, one hundred two thousand, two hundred one".