212020200121210 has 64 divisors (see below), whose sum is σ = 427873235479200. Its totient is φ = 75103487327232.

The previous prime is 212020200121207. The next prime is 212020200121229. The reversal of 212020200121210 is 12121002020212.

It is a happy number.

212020200121210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 2272788410929 + 209747411710281 = 1507577^2 + 14482659^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178512505 + ... + 179696284.

Almost surely, 2^{212020200121210} is an apocalyptic number.

212020200121210 is an abundant number, since it is smaller than the sum of its proper divisors (215853035357990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212020200121210 is a wasteful number, since it uses less digits than its factorization.

212020200121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358208995.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212020200121210 its reverse (12121002020212), we get a palindrome (224141202141422).

The spelling of 212020200121210 in words is "two hundred twelve trillion, twenty billion, two hundred million, one hundred twenty-one thousand, two hundred ten".