212020012221201 has 48 divisors (see below), whose sum is σ = 315059774597568. Its totient is φ = 137294132976000.

The previous prime is 212020012221167. The next prime is 212020012221203. The reversal of 212020012221201 is 102122210020212.

It is a happy number.

212020012221201 is a `hidden beast` number, since 2 + 120 + 200 + 1 + 222 + 120 + 1 = 666.

It is not a de Polignac number, because 212020012221201 - 2¹¹ = 212020012219153 is a prime.

It is a super-3 number, since 3×212020012221201³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (212020012221203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1287798850 + ... + 1287963476.

It is an arithmetic number, because the mean of its divisors is an integer number (6563745304116).

Almost surely, 2^{212020012221201} is an apocalyptic number.

It is an amenable number.

212020012221201 is a deficient number, since it is larger than the sum of its proper divisors (103039762376367).

212020012221201 is a wasteful number, since it uses less digits than its factorization.

212020012221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171182 (or 171179 counting only the distinct ones).

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

Adding to 212020012221201 its reverse (102122210020212), we get a palindrome (314142222241413).

The spelling of 212020012221201 in words is "two hundred twelve trillion, twenty billion, twelve million, two hundred twenty-one thousand, two hundred one".