12122002122222 has 32 divisors (see below), whose sum is σ = 26154464080032. Its totient is φ = 3731226696704.

The previous prime is 12122002122193. The next prime is 12122002122233. The reversal of 12122002122222 is 22222120022121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121156463 + ... + 1121167274.

It is an arithmetic number, because the mean of its divisors is an integer number (817327002501).

Almost surely, 2^{12122002122222} is an apocalyptic number.

12122002122222 is an abundant number, since it is smaller than the sum of its proper divisors (14032461957810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122002122222 is a wasteful number, since it uses less digits than its factorization.

12122002122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242323812.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12122002122222 its reverse (22222120022121), we get a palindrome (34344122144343).

The spelling of 12122002122222 in words is "twelve trillion, one hundred twenty-two billion, two million, one hundred twenty-two thousand, two hundred twenty-two".