12102222112122 has 32 divisors (see below), whose sum is σ = 24315347040192. Its totient is φ = 4015600237184.

The previous prime is 12102222112081. The next prime is 12102222112129. The reversal of 12102222112122 is 22121122220121.

It is a super-2 number, since 2×12102222112122² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102222112129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3598408 + ... + 6095324.

It is an arithmetic number, because the mean of its divisors is an integer number (759854595006).

Almost surely, 2^{12102222112122} is an apocalyptic number.

12102222112122 is an abundant number, since it is smaller than the sum of its proper divisors (12213124928070).

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

12102222112122 is a wasteful number, since it uses less digits than its factorization.

12102222112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500622.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12102222112122 its reverse (22121122220121), we get a palindrome (34223344332243).

The spelling of 12102222112122 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twenty-two".