211210012 has 24 divisors (see below), whose sum is σ = 415358496. Its totient is φ = 93242688.

The previous prime is 211210009. The next prime is 211210067. The reversal of 211210012 is 210012112.

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, 87103 + ... + 89494.

It is an arithmetic number, because the mean of its divisors is an integer number (17306604).

Almost surely, 2^211210012 is an apocalyptic number.

It is an amenable number.

211210012 is a deficient number, since it is larger than the sum of its proper divisors (204148484).

211210012 is a wasteful number, since it uses less digits than its factorization.

211210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176637 (or 176635 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 211210012 is about 14533.0661596237. The cubic root of 211210012 is about 595.5316313366.

Adding to 211210012 its reverse (210012112), we get a palindrome (421222124).

It can be divided in two parts, 2112100 and 12, that added together give a palindrome (2112112).

The spelling of 211210012 in words is "two hundred eleven million, two hundred ten thousand, twelve".