2112432321120 has 192 divisors, whose sum is σ = 7641143112960. Its totient is φ = 485151897600.

The previous prime is 2112432321089. The next prime is 2112432321127. The reversal of 2112432321120 is 211232342112.

It is a super-2 number, since 2×2112432321120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112432321127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10428151 + ... + 10628790.

It is an arithmetic number, because the mean of its divisors is an integer number (39797620380).

Almost surely, 2^{2112432321120} is an apocalyptic number.

2112432321120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112432321120 is an abundant number, since it is smaller than the sum of its proper divisors (5528710791840).

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

2112432321120 is a wasteful number, since it uses less digits than its factorization.

2112432321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21056989 (or 21056981 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2112432321120 its reverse (211232342112), we get a palindrome (2323664663232).

The spelling of 2112432321120 in words is "two trillion, one hundred twelve billion, four hundred thirty-two million, three hundred twenty-one thousand, one hundred twenty".