12340425433 has 12 divisors (see below), whose sum is σ = 14377009680. Its totient is φ = 10561429032.

The previous prime is 12340425431. The next prime is 12340425437. The reversal of 12340425433 is 33452404321.

It is a happy number.

It is not a de Polignac number, because 12340425433 - 2¹ = 12340425431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12340425395 and 12340425404.

It is not an unprimeable number, because it can be changed into a prime (12340425431) 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, 158791 + ... + 223372.

It is an arithmetic number, because the mean of its divisors is an integer number (1198084140).

Almost surely, 2^12340425433 is an apocalyptic number.

It is an amenable number.

12340425433 is a deficient number, since it is larger than the sum of its proper divisors (2036584247).

12340425433 is an equidigital number, since it uses as much as digits as its factorization.

12340425433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382836 (or 382829 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 12340425433 its reverse (33452404321), we get a palindrome (45792829754).

The spelling of 12340425433 in words is "twelve billion, three hundred forty million, four hundred twenty-five thousand, four hundred thirty-three".