12200221222 has 8 divisors (see below), whose sum is σ = 20914664976. Its totient is φ = 5228666232.

The previous prime is 12200221199. The next prime is 12200221237. The reversal of 12200221222 is 22212200221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12200221196 and 12200221205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435722173 + ... + 435722200.

It is an arithmetic number, because the mean of its divisors is an integer number (2614333122).

Almost surely, 2^12200221222 is an apocalyptic number.

12200221222 is a deficient number, since it is larger than the sum of its proper divisors (8714443754).

12200221222 is an equidigital number, since it uses as much as digits as its factorization.

12200221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871444382.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12200221222 its reverse (22212200221), we get a palindrome (34412421443).

The spelling of 12200221222 in words is "twelve billion, two hundred million, two hundred twenty-one thousand, two hundred twenty-two".