212021110102212 has 36 divisors (see below), whose sum is σ = 536533146154096. Its totient is φ = 70595783066160.

The previous prime is 212021110102183. The next prime is 212021110102237. The reversal of 212021110102212 is 212201011120212.

212021110102212 is a `hidden beast` number, since 212 + 0 + 211 + 10 + 10 + 221 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×212021110102212² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3246646114 + ... + 3246711417.

Almost surely, 2^{212021110102212} is an apocalyptic number.

It is an amenable number.

212021110102212 is an abundant number, since it is smaller than the sum of its proper divisors (324512036051884).

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

212021110102212 is a wasteful number, since it uses less digits than its factorization.

212021110102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493358448 (or 6493358443 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212021110102212 its reverse (212201011120212), we get a palindrome (424222121222424).

The spelling of 212021110102212 in words is "two hundred twelve trillion, twenty-one billion, one hundred ten million, one hundred two thousand, two hundred twelve".