210220221022212 has 48 divisors (see below), whose sum is σ = 490833287884800. Its totient is φ = 70027787252640.

The previous prime is 210220221022211. The next prime is 210220221022219. The reversal of 210220221022212 is 212220122022012.

It is not an unprimeable number, because it can be changed into a prime (210220221022211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116602089 + ... + 118391247.

It is an arithmetic number, because the mean of its divisors is an integer number (10225693497600).

Almost surely, 2^{210220221022212} is an apocalyptic number.

It is an amenable number.

210220221022212 is an abundant number, since it is smaller than the sum of its proper divisors (280613066862588).

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

210220221022212 is a wasteful number, since it uses less digits than its factorization.

210220221022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795536 (or 1795534 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 210220221022212 its reverse (212220122022012), we get a palindrome (422440343044224).

The spelling of 210220221022212 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-one million, twenty-two thousand, two hundred twelve".