210220100212 has 12 divisors (see below), whose sum is σ = 373375999360. Its totient is φ = 103541243256.

The previous prime is 210220100191. The next prime is 210220100221. The reversal of 210220100212 is 212001022012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210220100192 and 210220100201.

It is a congruent number.

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, 392201412 + ... + 392201947.

Almost surely, 2^210220100212 is an apocalyptic number.

It is an amenable number.

210220100212 is a deficient number, since it is larger than the sum of its proper divisors (163155899148).

210220100212 is a wasteful number, since it uses less digits than its factorization.

210220100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784403430 (or 784403428 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210220100212 its reverse (212001022012), we get a palindrome (422221122224).

The spelling of 210220100212 in words is "two hundred ten billion, two hundred twenty million, one hundred thousand, two hundred twelve".