12122002222 has 8 divisors (see below), whose sum is σ = 19836003672. Its totient is φ = 5510001000.

The previous prime is 12122002213. The next prime is 12122002229. The reversal of 12122002222 is 22220022121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12122002196 and 12122002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122002229) 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, 275500029 + ... + 275500072.

It is an arithmetic number, because the mean of its divisors is an integer number (2479500459).

Almost surely, 2^12122002222 is an apocalyptic number.

12122002222 is a deficient number, since it is larger than the sum of its proper divisors (7714001450).

12122002222 is a wasteful number, since it uses less digits than its factorization.

12122002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551000114.

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

Adding to 12122002222 its reverse (22220022121), we get a palindrome (34342024343).

The spelling of 12122002222 in words is "twelve billion, one hundred twenty-two million, two thousand, two hundred twenty-two".