12001102122 has 16 divisors (see below), whose sum is σ = 24003401760. Its totient is φ = 4000167792.

The previous prime is 12001102079. The next prime is 12001102189. The reversal of 12001102122 is 22120110021.

It is a junction number, because it is equal to n+sod(n) for n = 12001102098 and 12001102107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130629 + ... + 202647.

It is an arithmetic number, because the mean of its divisors is an integer number (1500212610).

Almost surely, 2^12001102122 is an apocalyptic number.

12001102122 is an abundant number, since it is smaller than the sum of its proper divisors (12002299638).

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

12001102122 is a wasteful number, since it uses less digits than its factorization.

12001102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99797.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12001102122 its reverse (22120110021), we get a palindrome (34121212143).

The spelling of 12001102122 in words is "twelve billion, one million, one hundred two thousand, one hundred twenty-two".