12400210240 has 56 divisors (see below), whose sum is σ = 32212373472. Its totient is φ = 4509166080.

The previous prime is 12400210231. The next prime is 12400210337. The reversal of 12400210240 is 4201200421.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757874 + ... + 1764913.

Almost surely, 2^12400210240 is an apocalyptic number.

12400210240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12400210240 is an abundant number, since it is smaller than the sum of its proper divisors (19812163232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12400210240 is a wasteful number, since it uses less digits than its factorization.

12400210240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522815 (or 3522805 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12400210240 its reverse (4201200421), we get a palindrome (16601410661).

The spelling of 12400210240 in words is "twelve billion, four hundred million, two hundred ten thousand, two hundred forty".