212020320202 has 16 divisors (see below), whose sum is σ = 325956104712. Its totient is φ = 103370964480.

The previous prime is 212020320139. The next prime is 212020320217. The reversal of 212020320202 is 202023020212.

It can be written as a sum of positive squares in 4 ways, for example, as 108240342001 + 103779978201 = 328999^2 + 322149^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510303 + ... + 827314.

Almost surely, 2^212020320202 is an apocalyptic number.

212020320202 is a deficient number, since it is larger than the sum of its proper divisors (113935784510).

212020320202 is a wasteful number, since it uses less digits than its factorization.

212020320202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339593.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 212020320202 its reverse (202023020212), we get a palindrome (414043340414).

The spelling of 212020320202 in words is "two hundred twelve billion, twenty million, three hundred twenty thousand, two hundred two".