12400000234 has 8 divisors (see below), whose sum is σ = 18627235200. Its totient is φ = 6190921836.

The previous prime is 12400000187. The next prime is 12400000247. The reversal of 12400000234 is 43200000421.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4537434 + ... + 4540165.

It is an arithmetic number, because the mean of its divisors is an integer number (2328404400).

Almost surely, 2^12400000234 is an apocalyptic number.

12400000234 is a deficient number, since it is larger than the sum of its proper divisors (6227234966).

12400000234 is an equidigital number, since it uses as much as digits as its factorization.

12400000234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9078284.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12400000234 its reverse (43200000421), we get a palindrome (55600000655).

The spelling of 12400000234 in words is "twelve billion, four hundred million, two hundred thirty-four", and thus it is an aban number.