212021323202 has 8 divisors (see below), whose sum is σ = 342495983676. Its totient is φ = 97855995312.

The previous prime is 212021323193. The next prime is 212021323229. The reversal of 212021323202 is 202323120212.

It is a happy number.

212021323202 is digitally balanced in base 2, 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 202743973441 + 9277349761 = 450271^2 + 96319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4077333113 + ... + 4077333164.

Almost surely, 2^212021323202 is an apocalyptic number.

212021323202 is a deficient number, since it is larger than the sum of its proper divisors (130474660474).

212021323202 is a wasteful number, since it uses less digits than its factorization.

212021323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8154666292.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212021323202 its reverse (202323120212), we get a palindrome (414344443414).

The spelling of 212021323202 in words is "two hundred twelve billion, twenty-one million, three hundred twenty-three thousand, two hundred two".