212120212202 has 4 divisors (see below), whose sum is σ = 318180318306. Its totient is φ = 106060106100.

The previous prime is 212120212189. The next prime is 212120212211. The reversal of 212120212202 is 202212021212.

It is a happy number.

212120212202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 195000844921 + 17119367281 = 441589^2 + 130841^2 .

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 as a sum of consecutive naturals, namely, 53030053049 + ... + 53030053052.

Almost surely, 2^212120212202 is an apocalyptic number.

212120212202 is a deficient number, since it is larger than the sum of its proper divisors (106060106104).

212120212202 is a wasteful number, since it uses less digits than its factorization.

212120212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106060106103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212120212202 its reverse (202212021212), we get a palindrome (414332233414).

The spelling of 212120212202 in words is "two hundred twelve billion, one hundred twenty million, two hundred twelve thousand, two hundred two".