12315135203 has 8 divisors (see below), whose sum is σ = 14686372608. Its totient is φ = 10096880904.

The previous prime is 12315135187. The next prime is 12315135277. The reversal of 12315135203 is 30253151321.

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 12315135203 - 2⁴ = 12315135187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12315135103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38245601 + ... + 38245922.

It is an arithmetic number, because the mean of its divisors is an integer number (1835796576).

Almost surely, 2^12315135203 is an apocalyptic number.

12315135203 is a deficient number, since it is larger than the sum of its proper divisors (2371237405).

12315135203 is an equidigital number, since it uses as much as digits as its factorization.

12315135203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76491553.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 12315135203 its reverse (30253151321), we get a palindrome (42568286524).

The spelling of 12315135203 in words is "twelve billion, three hundred fifteen million, one hundred thirty-five thousand, two hundred three".