12222100222 has 8 divisors (see below), whose sum is σ = 18337164336. Its totient is φ = 6109712112.

The previous prime is 12222100217. The next prime is 12222100229. The reversal of 12222100222 is 22200122221.

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

It is a super-2 number, since 2×12222100222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12222100196 and 12222100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222100229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657543 + ... + 675874.

It is an arithmetic number, because the mean of its divisors is an integer number (2292145542).

Almost surely, 2^12222100222 is an apocalyptic number.

12222100222 is a deficient number, since it is larger than the sum of its proper divisors (6115064114).

12222100222 is a wasteful number, since it uses less digits than its factorization.

12222100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338002.

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

Adding to 12222100222 its reverse (22200122221), we get a palindrome (34422222443).

The spelling of 12222100222 in words is "twelve billion, two hundred twenty-two million, one hundred thousand, two hundred twenty-two".