212221101002012 has 48 divisors (see below), whose sum is σ = 377991493488000. Its totient is φ = 104238115177920.

The previous prime is 212221101001991. The next prime is 212221101002041. The reversal of 212221101002012 is 210200101122212.

It is a super-3 number, since 3×212221101002012³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778311062 + ... + 778583682.

It is an arithmetic number, because the mean of its divisors is an integer number (7874822781000).

Almost surely, 2^{212221101002012} is an apocalyptic number.

It is an amenable number.

212221101002012 is a deficient number, since it is larger than the sum of its proper divisors (165770392485988).

212221101002012 is a wasteful number, since it uses less digits than its factorization.

212221101002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285986 (or 285984 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212221101002012 its reverse (210200101122212), we get a palindrome (422421202124224).

The spelling of 212221101002012 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred one million, two thousand, twelve".