12310431225 has 12 divisors (see below), whose sum is σ = 20353246416. Its totient is φ = 6565563280.

The previous prime is 12310431223. The next prime is 12310431233. The reversal of 12310431225 is 52213401321.

It is not a de Polignac number, because 12310431225 - 2¹ = 12310431223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12310431195 and 12310431204.

It is not an unprimeable number, because it can be changed into a prime (12310431223) 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 11 ways as a sum of consecutive naturals, for example, 82069467 + ... + 82069616.

It is an arithmetic number, because the mean of its divisors is an integer number (1696103868).

Almost surely, 2^12310431225 is an apocalyptic number.

12310431225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12310431225 is a deficient number, since it is larger than the sum of its proper divisors (8042815191).

12310431225 is a wasteful number, since it uses less digits than its factorization.

12310431225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164139096 (or 164139091 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 12310431225 its reverse (52213401321), we get a palindrome (64523832546).

The spelling of 12310431225 in words is "twelve billion, three hundred ten million, four hundred thirty-one thousand, two hundred twenty-five".