12122120110012 has 24 divisors (see below), whose sum is σ = 23521610114352. Its totient is φ = 5419725830400.

The previous prime is 12122120109997. The next prime is 12122120110013. The reversal of 12122120110012 is 21001102122121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122120110013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2258216413 + ... + 2258221780.

It is an arithmetic number, because the mean of its divisors is an integer number (980067088098).

Almost surely, 2^{12122120110012} is an apocalyptic number.

It is an amenable number.

12122120110012 is a deficient number, since it is larger than the sum of its proper divisors (11399490004340).

12122120110012 is a wasteful number, since it uses less digits than its factorization.

12122120110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516438269 (or 4516438267 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12122120110012 its reverse (21001102122121), we get a palindrome (33123222232133).

The spelling of 12122120110012 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty million, one hundred ten thousand, twelve".