12102212211122 has 32 divisors (see below), whose sum is σ = 20692839450240. Its totient is φ = 5254652747520.

The previous prime is 12102212211059. The next prime is 12102212211157. The reversal of 12102212211122 is 22111221220121.

It is a junction number, because it is equal to n+sod(n) for n = 12102212211094 and 12102212211103.

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, 15943847 + ... + 16685642.

It is an arithmetic number, because the mean of its divisors is an integer number (646651232820).

Almost surely, 2^{12102212211122} is an apocalyptic number.

12102212211122 is a deficient number, since it is larger than the sum of its proper divisors (8590627239118).

12102212211122 is a wasteful number, since it uses less digits than its factorization.

12102212211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32630258.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12102212211122 its reverse (22111221220121), we get a palindrome (34213433431243).

The spelling of 12102212211122 in words is "twelve trillion, one hundred two billion, two hundred twelve million, two hundred eleven thousand, one hundred twenty-two".