2124144421120 has 72 divisors (see below), whose sum is σ = 5133016490616. Its totient is φ = 842138615808.

The previous prime is 2124144421073. The next prime is 2124144421153. The reversal of 2124144421120 is 211244414212.

It can be written as a sum of positive squares in 4 ways, for example, as 62324123904 + 2061820297216 = 249648^2 + 1435904^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7198227 + ... + 7487506.

It is an arithmetic number, because the mean of its divisors is an integer number (71291895703).

Almost surely, 2^{2124144421120} is an apocalyptic number.

2124144421120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124144421120 is an abundant number, since it is smaller than the sum of its proper divisors (3008872069496).

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

2124144421120 is a wasteful number, since it uses less digits than its factorization.

2124144421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14685867 (or 14685853 counting only the distinct ones).

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

Adding to 2124144421120 its reverse (211244414212), we get a palindrome (2335388835332).

The spelling of 2124144421120 in words is "two trillion, one hundred twenty-four billion, one hundred forty-four million, four hundred twenty-one thousand, one hundred twenty".