12201000022222 has 16 divisors (see below), whose sum is σ = 20048809478400. Its totient is φ = 5522704458040.

The previous prime is 12201000022199. The next prime is 12201000022231. The reversal of 12201000022222 is 22222000010221.

It is a super-2 number, since 2×12201000022222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12201000022196 and 12201000022205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160226772 + ... + 1160237287.

It is an arithmetic number, because the mean of its divisors is an integer number (1253050592400).

Almost surely, 2^{12201000022222} is an apocalyptic number.

12201000022222 is a deficient number, since it is larger than the sum of its proper divisors (7847809456178).

12201000022222 is a wasteful number, since it uses less digits than its factorization.

12201000022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320464311.

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

Adding to 12201000022222 its reverse (22222000010221), we get a palindrome (34423000032443).

The spelling of 12201000022222 in words is "twelve trillion, two hundred one billion, twenty-two thousand, two hundred twenty-two".