212102110212 has 24 divisors (see below), whose sum is σ = 498801816576. Its totient is φ = 70144004448.

The previous prime is 212102110163. The next prime is 212102110229. The reversal of 212102110212 is 212011201212.

It is a junction number, because it is equal to n+sod(n) for n = 212102110191 and 212102110200.

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, 69585783 + ... + 69588830.

It is an arithmetic number, because the mean of its divisors is an integer number (20783409024).

Almost surely, 2^212102110212 is an apocalyptic number.

It is an amenable number.

212102110212 is an abundant number, since it is smaller than the sum of its proper divisors (286699706364).

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

212102110212 is a wasteful number, since it uses less digits than its factorization.

212102110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139174747 (or 139174745 counting only the distinct ones).

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

Adding to 212102110212 its reverse (212011201212), we get a palindrome (424113311424).

The spelling of 212102110212 in words is "two hundred twelve billion, one hundred two million, one hundred ten thousand, two hundred twelve".