12010211222122 has 24 divisors (see below), whose sum is σ = 19969438028256. Its totient is φ = 5406130876608.

The previous prime is 12010211222111. The next prime is 12010211222129. The reversal of 12010211222122 is 22122211201021.

It is a self number, because there is not a number n which added to its sum of digits gives 12010211222122.

It is not an unprimeable number, because it can be changed into a prime (12010211222129) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 451702188 + ... + 451728775.

It is an arithmetic number, because the mean of its divisors is an integer number (832059917844).

Almost surely, 2^{12010211222122} is an apocalyptic number.

12010211222122 is a deficient number, since it is larger than the sum of its proper divisors (7959226806134).

12010211222122 is a wasteful number, since it uses less digits than its factorization.

12010211222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903431022 (or 903431005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12010211222122 its reverse (22122211201021), we get a palindrome (34132422423143).

The spelling of 12010211222122 in words is "twelve trillion, ten billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twenty-two".