12220121122112 has 28 divisors (see below), whose sum is σ = 25031538431616. Its totient is φ = 5912961832320.

The previous prime is 12220121122103. The next prime is 12220121122141. The reversal of 12220121122112 is 21122112102221.

12220121122112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3079665638 + ... + 3079669605.

Almost surely, 2^{12220121122112} is an apocalyptic number.

It is an amenable number.

12220121122112 is an abundant number, since it is smaller than the sum of its proper divisors (12811417309504).

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

12220121122112 is an equidigital number, since it uses as much as digits as its factorization.

12220121122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6159335286 (or 6159335276 counting only the distinct ones).

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

Adding to 12220121122112 its reverse (21122112102221), we get a palindrome (33342233224333).

The spelling of 12220121122112 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred twelve".