12000304542 has 16 divisors (see below), whose sum is σ = 24001809552. Its totient is φ = 3999901440.

The previous prime is 12000304517. The next prime is 12000304543. The reversal of 12000304542 is 24540300021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000304543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129492 + ... + 201912.

It is an arithmetic number, because the mean of its divisors is an integer number (1500113097).

Almost surely, 2^12000304542 is an apocalyptic number.

12000304542 is an abundant number, since it is smaller than the sum of its proper divisors (12001505010).

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

12000304542 is a wasteful number, since it uses less digits than its factorization.

12000304542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100043.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 12000304542 its reverse (24540300021), we get a palindrome (36540604563).

The spelling of 12000304542 in words is "twelve billion, three hundred four thousand, five hundred forty-two".