220200001212 has 48 divisors (see below), whose sum is σ = 551046706560. Its totient is φ = 68224822848.

The previous prime is 220200001211. The next prime is 220200001247. The reversal of 220200001212 is 212100002022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200001211) 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, 9099138 + ... + 9123305.

It is an arithmetic number, because the mean of its divisors is an integer number (11480139720).

Almost surely, 2^220200001212 is an apocalyptic number.

It is an amenable number.

220200001212 is an abundant number, since it is smaller than the sum of its proper divisors (330846705348).

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

220200001212 is a wasteful number, since it uses less digits than its factorization.

220200001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18222522 (or 18222520 counting only the distinct ones).

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

Adding to 220200001212 its reverse (212100002022), we get a palindrome (432300003234).

The spelling of 220200001212 in words is "two hundred twenty billion, two hundred million, one thousand, two hundred twelve".