12212222102 has 16 divisors (see below), whose sum is σ = 19403766432. Its totient is φ = 5744592000.

The previous prime is 12212222101. The next prime is 12212222171. The reversal of 12212222102 is 20122221221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212222101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13352 + ... + 156852.

It is an arithmetic number, because the mean of its divisors is an integer number (1212735402).

Almost surely, 2^12212222102 is an apocalyptic number.

12212222102 is a deficient number, since it is larger than the sum of its proper divisors (7191544330).

12212222102 is a wasteful number, since it uses less digits than its factorization.

12212222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146023.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12212222102 its reverse (20122221221), we get a palindrome (32334443323).

The spelling of 12212222102 in words is "twelve billion, two hundred twelve million, two hundred twenty-two thousand, one hundred two".