12545034542000 has 160 divisors (see below), whose sum is σ = 31384933557120. Its totient is φ = 4844200166400.

The previous prime is 12545034541999. The next prime is 12545034542099. The reversal of 12545034542000 is 24543054521.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470772677 + ... + 470799323.

It is an arithmetic number, because the mean of its divisors is an integer number (196155834732).

Almost surely, 2^{12545034542000} is an apocalyptic number.

12545034542000 is a gapful number since it is divisible by the number (10) 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 12545034542000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15692466778560).

12545034542000 is an abundant number, since it is smaller than the sum of its proper divisors (18839899015120).

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

12545034542000 is a wasteful number, since it uses less digits than its factorization.

12545034542000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34816 (or 34800 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 12545034542000 its reverse (24543054521), we get a palindrome (12569577596521).

The spelling of 12545034542000 in words is "twelve trillion, five hundred forty-five billion, thirty-four million, five hundred forty-two thousand".