202102212212 has 6 divisors (see below), whose sum is σ = 353678871378. Its totient is φ = 101051106104.

The previous prime is 202102212199. The next prime is 202102212227. The reversal of 202102212212 is 212212201202.

It is a happy number.

202102212212 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 only one way, i.e., 193242884836 + 8859327376 = 439594^2 + 94124^2 .

It is a congruent number.

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, 25262776523 + ... + 25262776530.

It is an arithmetic number, because the mean of its divisors is an integer number (58946478563).

Almost surely, 2^202102212212 is an apocalyptic number.

It is an amenable number.

202102212212 is a deficient number, since it is larger than the sum of its proper divisors (151576659166).

202102212212 is a wasteful number, since it uses less digits than its factorization.

202102212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50525553057 (or 50525553055 counting only the distinct ones).

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

Adding to 202102212212 its reverse (212212201202), we get a palindrome (414314413414).

The spelling of 202102212212 in words is "two hundred two billion, one hundred two million, two hundred twelve thousand, two hundred twelve".