12040310220 has 24 divisors (see below), whose sum is σ = 33712868784. Its totient is φ = 3210749376.

The previous prime is 12040310207. The next prime is 12040310221. The reversal of 12040310220 is 2201304021.

12040310220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12040310220.

It is not an unprimeable number, because it can be changed into a prime (12040310221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 100335859 + ... + 100335978.

It is an arithmetic number, because the mean of its divisors is an integer number (1404702866).

Almost surely, 2^12040310220 is an apocalyptic number.

12040310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12040310220 is an abundant number, since it is smaller than the sum of its proper divisors (21672558564).

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

12040310220 is a wasteful number, since it uses less digits than its factorization.

12040310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200671849 (or 200671847 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12040310220 its reverse (2201304021), we get a palindrome (14241614241).

The spelling of 12040310220 in words is "twelve billion, forty million, three hundred ten thousand, two hundred twenty".