212020213201 has 4 divisors (see below), whose sum is σ = 212023958452. Its totient is φ = 212016467952.

The previous prime is 212020213177. The next prime is 212020213217. The reversal of 212020213201 is 102312020212.

It is a happy number.

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 71436460176 + 140583753025 = 267276^2 + 374945^2 .

It is a cyclic number.

It is not a de Polignac number, because 212020213201 - 2³⁷ = 74581259729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212020213241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786386 + ... + 1901371.

It is an arithmetic number, because the mean of its divisors is an integer number (53005989613).

Almost surely, 2^212020213201 is an apocalyptic number.

It is an amenable number.

212020213201 is a deficient number, since it is larger than the sum of its proper divisors (3745251).

212020213201 is an equidigital number, since it uses as much as digits as its factorization.

212020213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745250.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212020213201 its reverse (102312020212), we get a palindrome (314332233413).

The spelling of 212020213201 in words is "two hundred twelve billion, twenty million, two hundred thirteen thousand, two hundred one".