12200001021222 has 48 divisors (see below), whose sum is σ = 28398360911472. Its totient is φ = 3483911148480.

The previous prime is 12200001021193. The next prime is 12200001021251. The reversal of 12200001021222 is 22212010000221.

It is an interprime number because it is at equal distance from previous prime (12200001021193) and next prime (12200001021251).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10165429 + ... + 11302032.

It is an arithmetic number, because the mean of its divisors is an integer number (591632518989).

Almost surely, 2^{12200001021222} is an apocalyptic number.

12200001021222 is an abundant number, since it is smaller than the sum of its proper divisors (16198359890250).

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

12200001021222 is a wasteful number, since it uses less digits than its factorization.

12200001021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21469413 (or 21469406 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12200001021222 its reverse (22212010000221), we get a palindrome (34412011021443).

The spelling of 12200001021222 in words is "twelve trillion, two hundred billion, one million, twenty-one thousand, two hundred twenty-two".