212111111214 has 80 divisors (see below), whose sum is σ = 484928703072. Its totient is φ = 69272978112.

The previous prime is 212111111209. The next prime is 212111111237. The reversal of 212111111214 is 412111111212.

212111111214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212111111214² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6276687 + ... + 6310389.

Almost surely, 2^212111111214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212111111214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242464351536).

212111111214 is an abundant number, since it is smaller than the sum of its proper divisors (272817591858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212111111214 is a wasteful number, since it uses less digits than its factorization.

212111111214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34503 (or 34494 counting only the distinct ones).

The product of its digits is 32, while the sum is 18.

Adding to 212111111214 its reverse (412111111212), we get a palindrome (624222222426).

The spelling of 212111111214 in words is "two hundred twelve billion, one hundred eleven million, one hundred eleven thousand, two hundred fourteen".