12504005143 has 4 divisors (see below), whose sum is σ = 14290291600. Its totient is φ = 10717718688.

The previous prime is 12504005141. The next prime is 12504005147. The reversal of 12504005143 is 34150040521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34150040521 = 17 ⋅2008825913.

It is a cyclic number.

It is not a de Polignac number, because 12504005143 - 2¹ = 12504005141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504005141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893143218 + ... + 893143231.

It is an arithmetic number, because the mean of its divisors is an integer number (3572572900).

Almost surely, 2^12504005143 is an apocalyptic number.

12504005143 is a deficient number, since it is larger than the sum of its proper divisors (1786286457).

12504005143 is an equidigital number, since it uses as much as digits as its factorization.

12504005143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786286456.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 12504005143 its reverse (34150040521), we get a palindrome (46654045664).

The spelling of 12504005143 in words is "twelve billion, five hundred four million, five thousand, one hundred forty-three".