12121121201122 has 16 divisors (see below), whose sum is σ = 18973892203200. Its totient is φ = 5796537758352.

The previous prime is 12121121200963. The next prime is 12121121201179. The reversal of 12121121201122 is 22110212112121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12121121201122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11304468 + ... + 12330175.

It is an arithmetic number, because the mean of its divisors is an integer number (1185868262700).

Almost surely, 2^{12121121201122} is an apocalyptic number.

12121121201122 is a deficient number, since it is larger than the sum of its proper divisors (6852771002078).

12121121201122 is a wasteful number, since it uses less digits than its factorization.

12121121201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23645817.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12121121201122 its reverse (22110212112121), we get a palindrome (34231333313243).

The spelling of 12121121201122 in words is "twelve trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-two".