2012543120000 has 160 divisors (see below), whose sum is σ = 5725830522720. Its totient is φ = 690014592000.

The previous prime is 2012543119991. The next prime is 2012543120011. The reversal of 2012543120000 is 213452102.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1236914 + ... + 2356913.

It is an arithmetic number, because the mean of its divisors is an integer number (35786440767).

Almost surely, 2^{2012543120000} is an apocalyptic number.

2012543120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012543120000 is an abundant number, since it is smaller than the sum of its proper divisors (3713287402720).

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

2012543120000 is an frugal number, since it uses more digits than its factorization.

2012543120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593868 (or 3593841 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 2012543120000 its reverse (213452102), we get a palindrome (2012756572102).

The spelling of 2012543120000 in words is "two trillion, twelve billion, five hundred forty-three million, one hundred twenty thousand".