212210101212 has 48 divisors (see below), whose sum is σ = 496588646400. Its totient is φ = 70532366400.

The previous prime is 212210101189. The next prime is 212210101231. The reversal of 212210101212 is 212101012212.

It is a junction number, because it is equal to n+sod(n) for n = 212210101191 and 212210101200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9254962 + ... + 9277862.

It is an arithmetic number, because the mean of its divisors is an integer number (10345596800).

Almost surely, 2^212210101212 is an apocalyptic number.

It is an amenable number.

212210101212 is an abundant number, since it is smaller than the sum of its proper divisors (284378545188).

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

212210101212 is a wasteful number, since it uses less digits than its factorization.

212210101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25106 (or 25104 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212210101212 its reverse (212101012212), we get a palindrome (424311113424).

The spelling of 212210101212 in words is "two hundred twelve billion, two hundred ten million, one hundred one thousand, two hundred twelve".