20122002222112 has 192 divisors, whose sum is σ = 48523406400000. Its totient is φ = 8017449910272.

The previous prime is 20122002222079. The next prime is 20122002222121. The reversal of 20122002222112 is 21122220022102.

It is a self number, because there is not a number n which added to its sum of digits gives 20122002222112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355490389 + ... + 355546987.

It is an arithmetic number, because the mean of its divisors is an integer number (252726075000).

Almost surely, 2^{20122002222112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122002222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24261703200000).

20122002222112 is an abundant number, since it is smaller than the sum of its proper divisors (28401404177888).

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

20122002222112 is a wasteful number, since it uses less digits than its factorization.

20122002222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57771 (or 57763 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20122002222112 its reverse (21122220022102), we get a palindrome (41244222244214).

The spelling of 20122002222112 in words is "twenty trillion, one hundred twenty-two billion, two million, two hundred twenty-two thousand, one hundred twelve".