212102000010 has 80 divisors (see below), whose sum is σ = 570606692832. Its totient is φ = 56531973600.

The previous prime is 212102000009. The next prime is 212102000069. The reversal of 212102000010 is 10000201212.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 212101999956 and 212102000001.

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 39 ways as a sum of consecutive naturals, for example, 1563805 + ... + 1694015.

Almost surely, 2^212102000010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212102000010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285303346416).

212102000010 is an abundant number, since it is smaller than the sum of its proper divisors (358504692822).

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

212102000010 is a wasteful number, since it uses less digits than its factorization.

212102000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132241 (or 132232 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 212102000010 its reverse (10000201212), we get a palindrome (222102201222).

The spelling of 212102000010 in words is "two hundred twelve billion, one hundred two million, ten", and thus it is an aban number.