212020120122210 has 96 divisors (see below), whose sum is σ = 575313660125568. Its totient is φ = 54071670343680.

The previous prime is 212020120122199. The next prime is 212020120122247. The reversal of 212020120122210 is 12221021020212.

It is a happy number.

212020120122210 is a `hidden beast` number, since 21 + 20 + 201 + 201 + 2 + 221 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4338114 + ... + 21044226.

It is an arithmetic number, because the mean of its divisors is an integer number (5992850626308).

Almost surely, 2^{212020120122210} is an apocalyptic number.

212020120122210 is an abundant number, since it is smaller than the sum of its proper divisors (363293540003358).

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

212020120122210 is a wasteful number, since it uses less digits than its factorization.

212020120122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16712280 (or 16712277 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212020120122210 its reverse (12221021020212), we get a palindrome (224241141142422).

The spelling of 212020120122210 in words is "two hundred twelve trillion, twenty billion, one hundred twenty million, one hundred twenty-two thousand, two hundred ten".