2112432343120 has 80 divisors (see below), whose sum is σ = 5358128307840. Its totient is φ = 768123993600.

The previous prime is 2112432343019. The next prime is 2112432343171. The reversal of 2112432343120 is 213432342112.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2112432343120² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30553390 + ... + 30622450.

It is an arithmetic number, because the mean of its divisors is an integer number (66976603848).

Almost surely, 2^{2112432343120} is an apocalyptic number.

2112432343120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112432343120 is an abundant number, since it is smaller than the sum of its proper divisors (3245695964720).

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

2112432343120 is a wasteful number, since it uses less digits than its factorization.

2112432343120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103844 (or 103838 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2112432343120 its reverse (213432342112), we get a palindrome (2325864685232).

The spelling of 2112432343120 in words is "two trillion, one hundred twelve billion, four hundred thirty-two million, three hundred forty-three thousand, one hundred twenty".