12503015043 has 4 divisors (see below), whose sum is σ = 16670686728. Its totient is φ = 8335343360.

The previous prime is 12503015029. The next prime is 12503015047. The reversal of 12503015043 is 34051030521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12503015043 - 2¹³ = 12503006851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12503015047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2083835838 + ... + 2083835843.

It is an arithmetic number, because the mean of its divisors is an integer number (4167671682).

Almost surely, 2^12503015043 is an apocalyptic number.

12503015043 is a deficient number, since it is larger than the sum of its proper divisors (4167671685).

12503015043 is an equidigital number, since it uses as much as digits as its factorization.

12503015043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167671684.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 12503015043 its reverse (34051030521), we get a palindrome (46554045564).

The spelling of 12503015043 in words is "twelve billion, five hundred three million, fifteen thousand, forty-three".