12022002100122 has 256 divisors, whose sum is σ = 30015296962560. Its totient is φ = 3133764640512.

The previous prime is 12022002100099. The next prime is 12022002100177. The reversal of 12022002100122 is 22100120022021.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2806909393 + ... + 2806913675.

It is an arithmetic number, because the mean of its divisors is an integer number (117247253760).

Almost surely, 2^{12022002100122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022002100122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15007648481280).

12022002100122 is an abundant number, since it is smaller than the sum of its proper divisors (17993294862438).

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

12022002100122 is a wasteful number, since it uses less digits than its factorization.

12022002100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12022002100122 its reverse (22100120022021), we get a palindrome (34122122122143).

The spelling of 12022002100122 in words is "twelve trillion, twenty-two billion, two million, one hundred thousand, one hundred twenty-two".