210220101212 has 24 divisors (see below), whose sum is σ = 408901539312. Its totient is φ = 93751673600.

The previous prime is 210220101193. The next prime is 210220101233. The reversal of 210220101212 is 212101022012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45070589 + ... + 45075252.

It is an arithmetic number, because the mean of its divisors is an integer number (17037564138).

Almost surely, 2^210220101212 is an apocalyptic number.

210220101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210220101212 is a deficient number, since it is larger than the sum of its proper divisors (198681438100).

210220101212 is a wasteful number, since it uses less digits than its factorization.

210220101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90145909 (or 90145907 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210220101212 its reverse (212101022012), we get a palindrome (422321123224).

The spelling of 210220101212 in words is "two hundred ten billion, two hundred twenty million, one hundred one thousand, two hundred twelve".