12040347500 has 60 divisors (see below), whose sum is σ = 27715721880. Its totient is φ = 4562640000.

The previous prime is 12040347433. The next prime is 12040347523. The reversal of 12040347500 is 574304021.

It is a self number, because there is not a number n which added to its sum of digits gives 12040347500.

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 19 ways as a sum of consecutive naturals, for example, 79241 + ... + 174240.

It is an arithmetic number, because the mean of its divisors is an integer number (461928698).

Almost surely, 2^12040347500 is an apocalyptic number.

12040347500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12040347500 is an abundant number, since it is smaller than the sum of its proper divisors (15675374380).

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

12040347500 is a wasteful number, since it uses less digits than its factorization.

12040347500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253524 (or 253507 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The spelling of 12040347500 in words is "twelve billion, forty million, three hundred forty-seven thousand, five hundred".