212020220201 has 4 divisors (see below), whose sum is σ = 214119430404. Its totient is φ = 209921010000.

The previous prime is 212020220197. The next prime is 212020220213. The reversal of 212020220201 is 102022020212.

212020220201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135202554601 + 76817665600 = 367699^2 + 277160^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020220201 - 2² = 212020220197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212020220261) 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 3 ways as a sum of consecutive naturals, for example, 1049604950 + ... + 1049605151.

It is an arithmetic number, because the mean of its divisors is an integer number (53529857601).

Almost surely, 2^212020220201 is an apocalyptic number.

It is an amenable number.

212020220201 is a deficient number, since it is larger than the sum of its proper divisors (2099210203).

212020220201 is a wasteful number, since it uses less digits than its factorization.

212020220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099210202.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212020220201 its reverse (102022020212), we get a palindrome (314042240413).

The spelling of 212020220201 in words is "two hundred twelve billion, twenty million, two hundred twenty thousand, two hundred one".