210202121022212 has 12 divisors (see below), whose sum is σ = 401294958315216. Its totient is φ = 95546418646440.

The previous prime is 210202121022169. The next prime is 210202121022221. The reversal of 210202121022212 is 212220121202012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2388660466118 + ... + 2388660466205.

It is an arithmetic number, because the mean of its divisors is an integer number (33441246526268).

Almost surely, 2^{210202121022212} is an apocalyptic number.

210202121022212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210202121022212 is a deficient number, since it is larger than the sum of its proper divisors (191092837293004).

210202121022212 is a wasteful number, since it uses less digits than its factorization.

210202121022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777320932338 (or 4777320932336 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 210202121022212 its reverse (212220121202012), we get a palindrome (422422242224224).

The spelling of 210202121022212 in words is "two hundred ten trillion, two hundred two billion, one hundred twenty-one million, twenty-two thousand, two hundred twelve".