212200001222 has 32 divisors (see below), whose sum is σ = 348029861760. Its totient is φ = 96234361920.

The previous prime is 212200001219. The next prime is 212200001257. The reversal of 212200001222 is 222100002212.

It is a junction number, because it is equal to n+sod(n) for n = 212200001197 and 212200001206.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22756253 + ... + 22765575.

It is an arithmetic number, because the mean of its divisors is an integer number (10875933180).

Almost surely, 2^212200001222 is an apocalyptic number.

212200001222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212200001222 is a deficient number, since it is larger than the sum of its proper divisors (135829860538).

212200001222 is a wasteful number, since it uses less digits than its factorization.

212200001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11588.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212200001222 its reverse (222100002212), we get a palindrome (434300003434).

The spelling of 212200001222 in words is "two hundred twelve billion, two hundred million, one thousand, two hundred twenty-two".