210020120210212 has 12 divisors (see below), whose sum is σ = 395807149627036. Its totient is φ = 96932363173920.

The previous prime is 210020120210177. The next prime is 210020120210221. The reversal of 210020120210212 is 212012021020012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79906722171136 + 130113398039076 = 8939056^2 + 11406726^2 .

It is a super-2 number, since 2×210020120210212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2019424232739 + ... + 2019424232842.

Almost surely, 2^{210020120210212} is an apocalyptic number.

It is an amenable number.

210020120210212 is a deficient number, since it is larger than the sum of its proper divisors (185787029416824).

210020120210212 is a wasteful number, since it uses less digits than its factorization.

210020120210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038848465598 (or 4038848465596 counting only the distinct ones).

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

Adding to 210020120210212 its reverse (212012021020012), we get a palindrome (422032141230224).

The spelling of 210020120210212 in words is "two hundred ten trillion, twenty billion, one hundred twenty million, two hundred ten thousand, two hundred twelve".