212020223210 has 16 divisors (see below), whose sum is σ = 388837089576. Its totient is φ = 83207936448.

The previous prime is 212020223201. The next prime is 212020223221. The reversal of 212020223210 is 12322020212.

It can be written as a sum of positive squares in 4 ways, for example, as 118082264161 + 93937959049 = 343631^2 + 306493^2 .

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, 200018549 + ... + 200019608.

Almost surely, 2^212020223210 is an apocalyptic number.

212020223210 is a deficient number, since it is larger than the sum of its proper divisors (176816866366).

212020223210 is a wasteful number, since it uses less digits than its factorization.

212020223210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400038217.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212020223210 its reverse (12322020212), we get a palindrome (224342243422).

It can be divided in two parts, 2120202 and 23210, that added together give a palindrome (2143412).

The spelling of 212020223210 in words is "two hundred twelve billion, twenty million, two hundred twenty-three thousand, two hundred ten".