12202122121112 has 128 divisors (see below), whose sum is σ = 30010627353600. Its totient is φ = 4547374064640.

The previous prime is 12202122121103. The next prime is 12202122121157. The reversal of 12202122121112 is 21112122120221.

It is a super-2 number, since 2×12202122121112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1844537 + ... + 5273192.

It is an arithmetic number, because the mean of its divisors is an integer number (234458026200).

Almost surely, 2^{12202122121112} is an apocalyptic number.

It is an amenable number.

12202122121112 is an abundant number, since it is smaller than the sum of its proper divisors (17808505232488).

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

12202122121112 is a wasteful number, since it uses less digits than its factorization.

12202122121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7117798 (or 7117772 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12202122121112 its reverse (21112122120221), we get a palindrome (33314244241333).

The spelling of 12202122121112 in words is "twelve trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".