212020332210 has 96 divisors (see below), whose sum is σ = 557092963440. Its totient is φ = 55940544000.

The previous prime is 212020332203. The next prime is 212020332221. The reversal of 212020332210 is 12233020212.

212020332210 is a `hidden beast` number, since 2 + 120 + 2 + 0 + 332 + 210 = 666.

212020332210 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 157170223809 + 54850108401 = 396447^2 + 234201^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 14727696 + ... + 14742084.

Almost surely, 2^212020332210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212020332210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278546481720).

212020332210 is an abundant number, since it is smaller than the sum of its proper divisors (345072631230).

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

212020332210 is a wasteful number, since it uses less digits than its factorization.

212020332210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16124 (or 16121 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212020332210 its reverse (12233020212), we get a palindrome (224253352422).

The spelling of 212020332210 in words is "two hundred twelve billion, twenty million, three hundred thirty-two thousand, two hundred ten".