12040304234 has 8 divisors (see below), whose sum is σ = 20640521568. Its totient is φ = 5160130380.

The previous prime is 12040304207. The next prime is 12040304251. The reversal of 12040304234 is 43240304021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430010852 + ... + 430010879.

It is an arithmetic number, because the mean of its divisors is an integer number (2580065196).

Almost surely, 2^12040304234 is an apocalyptic number.

12040304234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12040304234 is a deficient number, since it is larger than the sum of its proper divisors (8600217334).

12040304234 is an equidigital number, since it uses as much as digits as its factorization.

12040304234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860021740.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12040304234 its reverse (43240304021), we get a palindrome (55280608255).

The spelling of 12040304234 in words is "twelve billion, forty million, three hundred four thousand, two hundred thirty-four".