212100032 has 28 divisors (see below), whose sum is σ = 422519856. Its totient is φ = 105638400.

The previous prime is 212100023. The next prime is 212100067. The reversal of 212100032 is 230001212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212099986 and 212100022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10532 + ... + 23132.

Almost surely, 2^212100032 is an apocalyptic number.

It is an amenable number.

212100032 is a deficient number, since it is larger than the sum of its proper divisors (210419824).

212100032 is a wasteful number, since it uses less digits than its factorization.

212100032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12876 (or 12866 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 212100032 is about 14563.6544864261. The cubic root of 212100032 is about 596.3669646760.

Adding to 212100032 its reverse (230001212), we get a palindrome (442101244).

The spelling of 212100032 in words is "two hundred twelve million, one hundred thousand, thirty-two".