12603856029 has 24 divisors (see below), whose sum is σ = 17206676640. Its totient is φ = 8205748320.

The previous prime is 12603856019. The next prime is 12603856073. The reversal of 12603856029 is 92065830621.

It is not a de Polignac number, because 12603856029 - 2²⁰ = 12602807453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12603856019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1614267 + ... + 1622055.

It is an arithmetic number, because the mean of its divisors is an integer number (716944860).

Almost surely, 2^12603856029 is an apocalyptic number.

It is an amenable number.

12603856029 is a deficient number, since it is larger than the sum of its proper divisors (4602820611).

12603856029 is an equidigital number, since it uses as much as digits as its factorization.

12603856029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041 (or 7970 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 12603856029 in words is "twelve billion, six hundred three million, eight hundred fifty-six thousand, twenty-nine".