12345543030000 has 100 divisors (see below), whose sum is σ = 39853059070088. Its totient is φ = 3292144800000.

The previous prime is 12345543029881. The next prime is 12345543030001. The reversal of 12345543030000 is 3034554321.

It is a tau number, because it is divible by the number of its divisors (100).

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

It is a self number, because there is not a number n which added to its sum of digits gives 12345543030000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345543030001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 205729051 + ... + 205789050.

Almost surely, 2^{12345543030000} is an apocalyptic number.

12345543030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12345543030000 is an abundant number, since it is smaller than the sum of its proper divisors (27507516040088).

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

12345543030000 is an equidigital number, since it uses as much as digits as its factorization.

12345543030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411518132 (or 411518111 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 12345543030000 its reverse (3034554321), we get a palindrome (12348577584321).

The spelling of 12345543030000 in words is "twelve trillion, three hundred forty-five billion, five hundred forty-three million, thirty thousand".