212000001222 has 8 divisors (see below), whose sum is σ = 424000002456. Its totient is φ = 70666667072.

The previous prime is 212000001221. The next prime is 212000001293. The reversal of 212000001222 is 222100000212.

212000001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

212000001222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 212000001198 and 212000001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000001221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17666666763 + ... + 17666666774.

It is an arithmetic number, because the mean of its divisors is an integer number (53000000307).

Almost surely, 2^212000001222 is an apocalyptic number.

212000001222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212000001222 is a wasteful number, since it uses less digits than its factorization.

212000001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35333333542.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212000001222 its reverse (222100000212), we get a palindrome (434100001434).

The spelling of 212000001222 in words is "two hundred twelve billion, one thousand, two hundred twenty-two".