211210221002012 has 24 divisors (see below), whose sum is σ = 385689013334016. Its totient is φ = 101013378708528.

The previous prime is 211210221002003. The next prime is 211210221002071. The reversal of 211210221002012 is 210200122012112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49392053 + ... + 53497619.

It is an arithmetic number, because the mean of its divisors is an integer number (16070375555584).

Almost surely, 2^{211210221002012} is an apocalyptic number.

It is an amenable number.

211210221002012 is a deficient number, since it is larger than the sum of its proper divisors (174478792332004).

211210221002012 is a wasteful number, since it uses less digits than its factorization.

211210221002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664777 (or 4664775 counting only the distinct ones).

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

Adding to 211210221002012 its reverse (210200122012112), we get a palindrome (421410343014124).

The spelling of 211210221002012 in words is "two hundred eleven trillion, two hundred ten billion, two hundred twenty-one million, two thousand, twelve".