12122212222102 has 4 divisors (see below), whose sum is σ = 18183318333156. Its totient is φ = 6061106111050.

The previous prime is 12122212222097. The next prime is 12122212222123. The reversal of 12122212222102 is 20122221222121.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 3030553055524 + ... + 3030553055527.

It is an arithmetic number, because the mean of its divisors is an integer number (4545829583289).

Almost surely, 2^{12122212222102} is an apocalyptic number.

12122212222102 is a deficient number, since it is larger than the sum of its proper divisors (6061106111054).

12122212222102 is an equidigital number, since it uses as much as digits as its factorization.

12122212222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061106111053.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12122212222102 its reverse (20122221222121), we get a palindrome (32244433444223).

The spelling of 12122212222102 in words is "twelve trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred two".