210220221122212 has 48 divisors (see below), whose sum is σ = 424632647642112. Its totient is φ = 89196505120800.

The previous prime is 210220221122203. The next prime is 210220221122269. The reversal of 210220221122212 is 212221122022012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1642263 + ... + 20570305.

It is an arithmetic number, because the mean of its divisors is an integer number (8846513492544).

Almost surely, 2^{210220221122212} is an apocalyptic number.

It is an amenable number.

210220221122212 is an abundant number, since it is smaller than the sum of its proper divisors (214412426519900).

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

210220221122212 is a wasteful number, since it uses less digits than its factorization.

210220221122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18932008 (or 18932006 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 210220221122212 its reverse (212221122022012), we get a palindrome (422441343144224).

The spelling of 210220221122212 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twelve".