212021120264 has 16 divisors (see below), whose sum is σ = 397608217020. Its totient is φ = 105992262400.

The previous prime is 212021120263. The next prime is 212021120273. The reversal of 212021120264 is 462021120212.

212021120264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 143748656164 + 68272464100 = 379142^2 + 261290^2 .

It is not an unprimeable number, because it can be changed into a prime (212021120263) 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, 2237909 + ... + 2330724.

Almost surely, 2^212021120264 is an apocalyptic number.

It is an amenable number.

212021120264 is a deficient number, since it is larger than the sum of its proper divisors (185587096756).

212021120264 is a wasteful number, since it uses less digits than its factorization.

212021120264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574440 (or 4574436 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 212021120264 its reverse (462021120212), we get a palindrome (674042240476).

The spelling of 212021120264 in words is "two hundred twelve billion, twenty-one million, one hundred twenty thousand, two hundred sixty-four".