12315225223 has 12 divisors (see below), whose sum is σ = 14467720392. Its totient is φ = 10451389200.

The previous prime is 12315225203. The next prime is 12315225283. The reversal of 12315225223 is 32252251321.

It is not a de Polignac number, because 12315225223 - 2²¹ = 12313128071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12315225191 and 12315225200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315225203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1239265 + ... + 1249162.

It is an arithmetic number, because the mean of its divisors is an integer number (1205643366).

Almost surely, 2^12315225223 is an apocalyptic number.

12315225223 is a deficient number, since it is larger than the sum of its proper divisors (2152495169).

12315225223 is a wasteful number, since it uses less digits than its factorization.

12315225223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488542 (or 2488535 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

Adding to 12315225223 its reverse (32252251321), we get a palindrome (44567476544).

The spelling of 12315225223 in words is "twelve billion, three hundred fifteen million, two hundred twenty-five thousand, two hundred twenty-three".