212021222102212 has 12 divisors (see below), whose sum is σ = 387169188186816. Its totient is φ = 101401454048840.

The previous prime is 212021222102171. The next prime is 212021222102213. The reversal of 212021222102212 is 212201222120212.

It is not an unprimeable number, because it can be changed into a prime (212021222102213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152289250464 + ... + 1152289250647.

It is an arithmetic number, because the mean of its divisors is an integer number (32264099015568).

Almost surely, 2^{212021222102212} is an apocalyptic number.

It is an amenable number.

212021222102212 is a deficient number, since it is larger than the sum of its proper divisors (175147966084604).

212021222102212 is a wasteful number, since it uses less digits than its factorization.

212021222102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304578501138 (or 2304578501136 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212021222102212 its reverse (212201222120212), we get a palindrome (424222444222424).

The spelling of 212021222102212 in words is "two hundred twelve trillion, twenty-one billion, two hundred twenty-two million, one hundred two thousand, two hundred twelve".