12122102222 has 16 divisors (see below), whose sum is σ = 18797844912. Its totient is φ = 5859060480.

The previous prime is 12122102221. The next prime is 12122102231. The reversal of 12122102222 is 22220122121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122102222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122102221) 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, 718229 + ... + 734912.

It is an arithmetic number, because the mean of its divisors is an integer number (1174865307).

Almost surely, 2^12122102222 is an apocalyptic number.

12122102222 is a deficient number, since it is larger than the sum of its proper divisors (6675742690).

12122102222 is a wasteful number, since it uses less digits than its factorization.

12122102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453283.

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

Adding to 12122102222 its reverse (22220122121), we get a palindrome (34342224343).

The spelling of 12122102222 in words is "twelve billion, one hundred twenty-two million, one hundred two thousand, two hundred twenty-two".