12534352603 has 4 divisors (see below), whose sum is σ = 13271667480. Its totient is φ = 11797037728.

The previous prime is 12534352561. The next prime is 12534352613. The reversal of 12534352603 is 30625343521.

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 12534352603 - 2⁹ = 12534352091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12534352613) 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, 368657413 + ... + 368657446.

It is an arithmetic number, because the mean of its divisors is an integer number (3317916870).

Almost surely, 2^12534352603 is an apocalyptic number.

12534352603 is a deficient number, since it is larger than the sum of its proper divisors (737314877).

12534352603 is an equidigital number, since it uses as much as digits as its factorization.

12534352603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737314876.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 12534352603 in words is "twelve billion, five hundred thirty-four million, three hundred fifty-two thousand, six hundred three".