212111000219 has 4 divisors (see below), whose sum is σ = 212123965200. Its totient is φ = 212098035240.

The previous prime is 212111000183. The next prime is 212111000221. The reversal of 212111000219 is 912000111212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212111000219 is a prime.

It is a super-2 number, since 2×212111000219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212111000219.

It is not an unprimeable number, because it can be changed into a prime (212111003219) 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 3 ways as a sum of consecutive naturals, for example, 6457919 + ... + 6490680.

It is an arithmetic number, because the mean of its divisors is an integer number (53030991300).

Almost surely, 2^212111000219 is an apocalyptic number.

212111000219 is a deficient number, since it is larger than the sum of its proper divisors (12964981).

212111000219 is a wasteful number, since it uses less digits than its factorization.

212111000219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12964980.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 212111000219 in words is "two hundred twelve billion, one hundred eleven million, two hundred nineteen", and thus it is an aban number.