12142111124120 has 32 divisors (see below), whose sum is σ = 27320117788800. Its totient is φ = 4856779070208.

The previous prime is 12142111124119. The next prime is 12142111124141. The reversal of 12142111124120 is 2142111124121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022297 + ... + 5032823.

It is an arithmetic number, because the mean of its divisors is an integer number (853753680900).

Almost surely, 2^{12142111124120} is an apocalyptic number.

12142111124120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12142111124120 is an abundant number, since it is smaller than the sum of its proper divisors (15178006664680).

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

12142111124120 is a wasteful number, since it uses less digits than its factorization.

12142111124120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086227 (or 4086223 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 12142111124120 its reverse (2142111124121), we get a palindrome (14284222248241).

Subtracting from 12142111124120 its reverse (2142111124121), we obtain a palindrome (9999999999999).

The spelling of 12142111124120 in words is "twelve trillion, one hundred forty-two billion, one hundred eleven million, one hundred twenty-four thousand, one hundred twenty".