12221210201222 has 16 divisors (see below), whose sum is σ = 21050888385600. Its totient is φ = 5262722096040.

The previous prime is 12221210201183. The next prime is 12221210201297. The reversal of 12221210201222 is 22210201212221.

It is a junction number, because it is equal to n+sod(n) for n = 12221210201194 and 12221210201203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14618672072 + ... + 14618672907.

It is an arithmetic number, because the mean of its divisors is an integer number (1315680524100).

Almost surely, 2^{12221210201222} is an apocalyptic number.

12221210201222 is a deficient number, since it is larger than the sum of its proper divisors (8829678184378).

12221210201222 is a wasteful number, since it uses less digits than its factorization.

12221210201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29237345011.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12221210201222 its reverse (22210201212221), we get a palindrome (34431411413443).

The spelling of 12221210201222 in words is "twelve trillion, two hundred twenty-one billion, two hundred ten million, two hundred one thousand, two hundred twenty-two".