12221200302222 has 64 divisors (see below), whose sum is σ = 25931848089600. Its totient is φ = 3828994817760.

The previous prime is 12221200302197. The next prime is 12221200302251. The reversal of 12221200302222 is 22220300212221.

It is a super-2 number, since 2×12221200302222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6556083 + ... + 8211249.

It is an arithmetic number, because the mean of its divisors is an integer number (405185126400).

Almost surely, 2^{12221200302222} is an apocalyptic number.

12221200302222 is an abundant number, since it is smaller than the sum of its proper divisors (13710647787378).

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

12221200302222 is a wasteful number, since it uses less digits than its factorization.

12221200302222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655701.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12221200302222 its reverse (22220300212221), we get a palindrome (34441500514443).

Subtracting 12221200302222 from its reverse (22220300212221), we obtain a palindrome (9999099909999).

The spelling of 12221200302222 in words is "twelve trillion, two hundred twenty-one billion, two hundred million, three hundred two thousand, two hundred twenty-two".