12310534240 has 24 divisors (see below), whose sum is σ = 29083637520. Its totient is φ = 4924213632.

The previous prime is 12310534211. The next prime is 12310534261. The reversal of 12310534240 is 4243501321.

12310534240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38470260 + ... + 38470579.

It is an arithmetic number, because the mean of its divisors is an integer number (1211818230).

Almost surely, 2^12310534240 is an apocalyptic number.

12310534240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310534240 is an abundant number, since it is smaller than the sum of its proper divisors (16773103280).

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

12310534240 is an equidigital number, since it uses as much as digits as its factorization.

12310534240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76940854 (or 76940846 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 12310534240 in words is "twelve billion, three hundred ten million, five hundred thirty-four thousand, two hundred forty".