12122120122210 has 64 divisors (see below), whose sum is σ = 25056805213440. Its totient is φ = 4136191395840.

The previous prime is 12122120122207. The next prime is 12122120122219. The reversal of 12122120122210 is 1222102122121.

It is not an unprimeable number, because it can be changed into a prime (12122120122219) 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 31 ways as a sum of consecutive naturals, for example, 39907386 + ... + 40209994.

It is an arithmetic number, because the mean of its divisors is an integer number (391512581460).

Almost surely, 2^{12122120122210} is an apocalyptic number.

12122120122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122120122210 is an abundant number, since it is smaller than the sum of its proper divisors (12934685091230).

12122120122210 is a wasteful number, since it uses less digits than its factorization.

12122120122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305371.

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

Adding to 12122120122210 its reverse (1222102122121), we get a palindrome (13344222244331).

The spelling of 12122120122210 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred ten".