212000111 has 8 divisors (see below), whose sum is σ = 214884624. Its totient is φ = 209131200.

The previous prime is 212000101. The next prime is 212000137. The reversal of 212000111 is 111000212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212000111 - 2¹⁰ = 211999087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000101) by changing a digit.

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, 24875 + ... + 32291.

It is an arithmetic number, because the mean of its divisors is an integer number (26860578).

Almost surely, 2^212000111 is an apocalyptic number.

212000111 is a deficient number, since it is larger than the sum of its proper divisors (2884513).

212000111 is a wasteful number, since it uses less digits than its factorization.

212000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 212000111 is about 14560.2235903162. The cubic root of 212000111 is about 596.2732998409.

Adding to 212000111 its reverse (111000212), we get a palindrome (323000323).

The spelling of 212000111 in words is "two hundred twelve million, one hundred eleven", and thus it is an aban number.