212021110032 has 20 divisors (see below), whose sum is σ = 547721201040. Its totient is φ = 70673703328.

The previous prime is 212021110019. The next prime is 212021110039. The reversal of 212021110032 is 230011120212.

It is a junction number, because it is equal to n+sod(n) for n = 212021109993 and 212021110020.

It is not an unprimeable number, because it can be changed into a prime (212021110039) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2208553182 + ... + 2208553277.

It is an arithmetic number, because the mean of its divisors is an integer number (27386060052).

Almost surely, 2^212021110032 is an apocalyptic number.

It is an amenable number.

212021110032 is an abundant number, since it is smaller than the sum of its proper divisors (335700091008).

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

212021110032 is a wasteful number, since it uses less digits than its factorization.

212021110032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417106470 (or 4417106464 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212021110032 its reverse (230011120212), we get a palindrome (442032230244).

The spelling of 212021110032 in words is "two hundred twelve billion, twenty-one million, one hundred ten thousand, thirty-two".