212066334324 has 72 divisors (see below), whose sum is σ = 586755565032. Its totient is φ = 64181479680.

The previous prime is 212066334317. The next prime is 212066334343. The reversal of 212066334324 is 423433660212.

212066334324 is a `hidden beast` number, since 2 + 12 + 0 + 6 + 633 + 4 + 3 + 2 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 39151745424 + 172914588900 = 197868^2 + 415830^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 3685659 + ... + 3742754.

Almost surely, 2^212066334324 is an apocalyptic number.

It is an amenable number.

212066334324 is an abundant number, since it is smaller than the sum of its proper divisors (374689230708).

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

212066334324 is a wasteful number, since it uses less digits than its factorization.

212066334324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428497 (or 7428492 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 212066334324 its reverse (423433660212), we get a palindrome (635499994536).

The spelling of 212066334324 in words is "two hundred twelve billion, sixty-six million, three hundred thirty-four thousand, three hundred twenty-four".