12122001202212 has 288 divisors, whose sum is σ = 34336290852864. Its totient is φ = 3574411084800.

The previous prime is 12122001202189. The next prime is 12122001202217. The reversal of 12122001202212 is 21220210022121.

It is a happy number.

12122001202212 is a `hidden beast` number, since 121 + 2 + 200 + 120 + 221 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12122001202217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2795017708 + ... + 2795022044.

It is an arithmetic number, because the mean of its divisors is an integer number (119223232128).

Almost surely, 2^{12122001202212} is an apocalyptic number.

12122001202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122001202212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17168145426432).

12122001202212 is an abundant number, since it is smaller than the sum of its proper divisors (22214289650652).

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

12122001202212 is a wasteful number, since it uses less digits than its factorization.

12122001202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239 (or 5234 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12122001202212 its reverse (21220210022121), we get a palindrome (33342211224333).

The spelling of 12122001202212 in words is "twelve trillion, one hundred twenty-two billion, one million, two hundred two thousand, two hundred twelve".