12202121212101 has 32 divisors (see below), whose sum is σ = 18215042227200. Its totient is φ = 8072913625920.

The previous prime is 12202121212033. The next prime is 12202121212139. The reversal of 12202121212101 is 10121212120221.

12202121212101 is a `hidden beast` number, since 1 + 220 + 21 + 212 + 1 + 210 + 1 = 666.

It is not a de Polignac number, because 12202121212101 - 2⁴¹ = 10003097956549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202121212301) 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 31 ways as a sum of consecutive naturals, for example, 265446 + ... + 4947191.

It is an arithmetic number, because the mean of its divisors is an integer number (569220069600).

Almost surely, 2^{12202121212101} is an apocalyptic number.

It is an amenable number.

12202121212101 is a deficient number, since it is larger than the sum of its proper divisors (6012921015099).

12202121212101 is a wasteful number, since it uses less digits than its factorization.

12202121212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213306 (or 5213300 counting only the distinct ones).

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

Adding to 12202121212101 its reverse (10121212120221), we get a palindrome (22323333332322).

The spelling of 12202121212101 in words is "twelve trillion, two hundred two billion, one hundred twenty-one million, two hundred twelve thousand, one hundred one".