2112540553200 has 480 divisors, whose sum is σ = 8444014548480. Its totient is φ = 438604185600.

The previous prime is 2112540553147. The next prime is 2112540553223. The reversal of 2112540553200 is 23550452112.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 119094732 + ... + 119112468.

It is an arithmetic number, because the mean of its divisors is an integer number (17591696976).

Almost surely, 2^{2112540553200} is an apocalyptic number.

2112540553200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112540553200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4222007274240).

2112540553200 is an abundant number, since it is smaller than the sum of its proper divisors (6331473995280).

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

2112540553200 is a wasteful number, since it uses less digits than its factorization.

2112540553200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19065 (or 19054 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 2112540553200 in words is "two trillion, one hundred twelve billion, five hundred forty million, five hundred fifty-three thousand, two hundred".