212100332 has 12 divisors (see below), whose sum is σ = 376260696. Its totient is φ = 104597280.

The previous prime is 212100307. The next prime is 212100337. The reversal of 212100332 is 233001212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212100337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362894 + ... + 363477.

It is an arithmetic number, because the mean of its divisors is an integer number (31355058).

Almost surely, 2^212100332 is an apocalyptic number.

It is an amenable number.

212100332 is a deficient number, since it is larger than the sum of its proper divisors (164160364).

212100332 is a wasteful number, since it uses less digits than its factorization.

212100332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726448 (or 726446 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 212100332 is about 14563.6647860351. The cubic root of 212100332 is about 596.3672458483.

Adding to 212100332 its reverse (233001212), we get a palindrome (445101544).

The spelling of 212100332 in words is "two hundred twelve million, one hundred thousand, three hundred thirty-two".