12102201002122 has 32 divisors (see below), whose sum is σ = 22757730113664. Its totient is φ = 4689092721600.

The previous prime is 12102201002071. The next prime is 12102201002131. The reversal of 12102201002122 is 22120010220121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12102201002096 and 12102201002105.

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, 217059753 + ... + 217115500.

It is an arithmetic number, because the mean of its divisors is an integer number (711179066052).

Almost surely, 2^{12102201002122} is an apocalyptic number.

12102201002122 is a deficient number, since it is larger than the sum of its proper divisors (10655529111542).

12102201002122 is a wasteful number, since it uses less digits than its factorization.

12102201002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434175454.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12102201002122 its reverse (22120010220121), we get a palindrome (34222211222243).

The spelling of 12102201002122 in words is "twelve trillion, one hundred two billion, two hundred one million, two thousand, one hundred twenty-two".