12310012140 has 48 divisors (see below), whose sum is σ = 35118383328. Its totient is φ = 3220731904.

The previous prime is 12310012081. The next prime is 12310012151. The reversal of 12310012140 is 4121001321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1932357 + ... + 1938716.

It is an arithmetic number, because the mean of its divisors is an integer number (731632986).

Almost surely, 2^12310012140 is an apocalyptic number.

12310012140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310012140 is an abundant number, since it is smaller than the sum of its proper divisors (22808371188).

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

12310012140 is a wasteful number, since it uses less digits than its factorization.

12310012140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871138 (or 3871136 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12310012140 its reverse (4121001321), we get a palindrome (16431013461).

The spelling of 12310012140 in words is "twelve billion, three hundred ten million, twelve thousand, one hundred forty".