210202021222212 has 24 divisors (see below), whose sum is σ = 491609367510912. Its totient is φ = 69904771170400.

The previous prime is 210202021222199. The next prime is 210202021222387. The reversal of 210202021222212 is 212222120202012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20321149239 + ... + 20321159582.

It is an arithmetic number, because the mean of its divisors is an integer number (20483723646288).

Almost surely, 2^{210202021222212} is an apocalyptic number.

It is an amenable number.

210202021222212 is an abundant number, since it is smaller than the sum of its proper divisors (281407346288700).

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

210202021222212 is a wasteful number, since it uses less digits than its factorization.

210202021222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40642309259 (or 40642309257 counting only the distinct ones).

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

Adding to 210202021222212 its reverse (212222120202012), we get a palindrome (422424141424224).

The spelling of 210202021222212 in words is "two hundred ten trillion, two hundred two billion, twenty-one million, two hundred twenty-two thousand, two hundred twelve".