12102220222 has 16 divisors (see below), whose sum is σ = 18326836080. Its totient is φ = 5993350272.

The previous prime is 12102220217. The next prime is 12102220237. The reversal of 12102220222 is 22202220121.

It is a junction number, because it is equal to n+sod(n) for n = 12102220196 and 12102220205.

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, 317104 + ... + 353212.

It is an arithmetic number, because the mean of its divisors is an integer number (1145427255).

Almost surely, 2^12102220222 is an apocalyptic number.

12102220222 is a deficient number, since it is larger than the sum of its proper divisors (6224615858).

12102220222 is a wasteful number, since it uses less digits than its factorization.

12102220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37707.

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

Adding to 12102220222 its reverse (22202220121), we get a palindrome (34304440343).

It can be divided in two parts, 12102 and 220222, that added together give a square (232324 = 482²).

The spelling of 12102220222 in words is "twelve billion, one hundred two million, two hundred twenty thousand, two hundred twenty-two".