12340403210 has 64 divisors (see below), whose sum is σ = 23555556864. Its totient is φ = 4645344000.

The previous prime is 12340403191. The next prime is 12340403239. The reversal of 12340403210 is 1230404321.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3877820 + ... + 3881000.

It is an arithmetic number, because the mean of its divisors is an integer number (368055576).

Almost surely, 2^12340403210 is an apocalyptic number.

12340403210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12340403210 is a deficient number, since it is larger than the sum of its proper divisors (11215153654).

12340403210 is a wasteful number, since it uses less digits than its factorization.

12340403210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12340403210 its reverse (1230404321), we get a palindrome (13570807531).

The spelling of 12340403210 in words is "twelve billion, three hundred forty million, four hundred three thousand, two hundred ten".