12543052045 has 8 divisors (see below), whose sum is σ = 15053507424. Its totient is φ = 10033211664.

The previous prime is 12543051991. The next prime is 12543052097. The reversal of 12543052045 is 54025034521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12543052045 - 2¹⁹ = 12542527757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12543051998 and 12543052016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107619 + ... + 191488.

It is an arithmetic number, because the mean of its divisors is an integer number (1881688428).

Almost surely, 2^12543052045 is an apocalyptic number.

It is an amenable number.

12543052045 is a deficient number, since it is larger than the sum of its proper divisors (2510455379).

12543052045 is an equidigital number, since it uses as much as digits as its factorization.

12543052045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307499.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 12543052045 its reverse (54025034521), we get a palindrome (66568086566).

The spelling of 12543052045 in words is "twelve billion, five hundred forty-three million, fifty-two thousand, forty-five".