212021030202 has 32 divisors (see below), whose sum is σ = 455136216192. Its totient is φ = 65605215744.

The previous prime is 212021030171. The next prime is 212021030209. The reversal of 212021030202 is 202030120212.

It is a happy number.

212021030202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212021030209) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14229798 + ... + 14244689.

It is an arithmetic number, because the mean of its divisors is an integer number (14223006756).

Almost surely, 2^212021030202 is an apocalyptic number.

212021030202 is an abundant number, since it is smaller than the sum of its proper divisors (243115185990).

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

212021030202 is a wasteful number, since it uses less digits than its factorization.

212021030202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28474582.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 212021030202 its reverse (202030120212), we get a palindrome (414051150414).

The spelling of 212021030202 in words is "two hundred twelve billion, twenty-one million, thirty thousand, two hundred two".