211210210012 has 24 divisors (see below), whose sum is σ = 378405342000. Its totient is φ = 103118424576.

The previous prime is 211210209971. The next prime is 211210210091. The reversal of 211210210012 is 210012012112.

It is a junction number, because it is equal to n+sod(n) for n = 211210209974 and 211210210001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2968053 + ... + 3038380.

It is an arithmetic number, because the mean of its divisors is an integer number (15766889250).

Almost surely, 2^211210210012 is an apocalyptic number.

It is an amenable number.

211210210012 is a deficient number, since it is larger than the sum of its proper divisors (167195131988).

211210210012 is a wasteful number, since it uses less digits than its factorization.

211210210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006645 (or 6006643 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211210210012 its reverse (210012012112), we get a palindrome (421222222124).

The spelling of 211210210012 in words is "two hundred eleven billion, two hundred ten million, two hundred ten thousand, twelve".