2112124420144 has 20 divisors (see below), whose sum is σ = 4270164589296. Its totient is φ = 1010146461632.

The previous prime is 2112124420069. The next prime is 2112124420157. The reversal of 2112124420144 is 4410244212112.

It is a super-2 number, since 2×2112124420144² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2869733899 + ... + 2869734634.

Almost surely, 2^{2112124420144} is an apocalyptic number.

It is an amenable number.

2112124420144 is an abundant number, since it is smaller than the sum of its proper divisors (2158040169152).

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

2112124420144 is a wasteful number, since it uses less digits than its factorization.

2112124420144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739468564 (or 5739468558 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 2112124420144 its reverse (4410244212112), we get a palindrome (6522368632256).

The spelling of 2112124420144 in words is "two trillion, one hundred twelve billion, one hundred twenty-four million, four hundred twenty thousand, one hundred forty-four".