12345234425 has 24 divisors (see below), whose sum is σ = 15683621184. Its totient is φ = 9634484160.

The previous prime is 12345234389. The next prime is 12345234427. The reversal of 12345234425 is 52443254321.

It is a happy number.

It is not a de Polignac number, because 12345234425 - 2⁶ = 12345234361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12345234427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 910244 + ... + 923706.

It is an arithmetic number, because the mean of its divisors is an integer number (653484216).

Almost surely, 2^12345234425 is an apocalyptic number.

It is an amenable number.

12345234425 is a deficient number, since it is larger than the sum of its proper divisors (3338386759).

12345234425 is a wasteful number, since it uses less digits than its factorization.

12345234425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14369 (or 14364 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

Adding to 12345234425 its reverse (52443254321), we get a palindrome (64788488746).

The spelling of 12345234425 in words is "twelve billion, three hundred forty-five million, two hundred thirty-four thousand, four hundred twenty-five".