12222021010122 has 192 divisors, whose sum is σ = 34094962556928. Its totient is φ = 3070827936000.

The previous prime is 12222021010117. The next prime is 12222021010123. The reversal of 12222021010122 is 22101012022221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12222021010095 and 12222021010104.

It is not an unprimeable number, because it can be changed into a prime (12222021010123) 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, 102070347 + ... + 102190017.

It is an arithmetic number, because the mean of its divisors is an integer number (177577929984).

Almost surely, 2^{12222021010122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12222021010122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17047481278464).

12222021010122 is an abundant number, since it is smaller than the sum of its proper divisors (21872941546806).

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

12222021010122 is a wasteful number, since it uses less digits than its factorization.

12222021010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122105 (or 122102 counting only the distinct ones).

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

Adding to 12222021010122 its reverse (22101012022221), we get a palindrome (34323033032343).

The spelling of 12222021010122 in words is "twelve trillion, two hundred twenty-two billion, twenty-one million, ten thousand, one hundred twenty-two".