212189632 has 28 divisors (see below), whose sum is σ = 421849296. Its totient is φ = 105896960.

The previous prime is 212189599. The next prime is 212189647. The reversal of 212189632 is 236981212.

It is a super-3 number, since 3×212189632³ (a number of 26 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

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, 35157 + ... + 40747.

Almost surely, 2^212189632 is an apocalyptic number.

It is an amenable number.

212189632 is a deficient number, since it is larger than the sum of its proper divisors (209659664).

212189632 is an equidigital number, since it uses as much as digits as its factorization.

212189632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6196 (or 6186 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 212189632 is about 14566.7303125993. The cubic root of 212189632 is about 596.4509297073.

The spelling of 212189632 in words is "two hundred twelve million, one hundred eighty-nine thousand, six hundred thirty-two".