667200212 has 48 divisors (see below), whose sum is σ = 1378460160. Its totient is φ = 276629472.

The previous prime is 667200211. The next prime is 667200221. The reversal of 667200212 is 212002766.

667200212 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 2×667200212² = 890312245785689888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667200211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126239 + ... + 131417.

It is an arithmetic number, because the mean of its divisors is an integer number (28717920).

Almost surely, 2^667200212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667200212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689230080).

667200212 is an abundant number, since it is smaller than the sum of its proper divisors (711259948).

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

667200212 is a wasteful number, since it uses less digits than its factorization.

667200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340 (or 5338 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 667200212 is about 25830.2189692616. The cubic root of 667200212 is about 873.8134499834.

Adding to 667200212 its reverse (212002766), we get a palindrome (879202978).

The spelling of 667200212 in words is "six hundred sixty-seven million, two hundred thousand, two hundred twelve".