12302011220 has 24 divisors (see below), whose sum is σ = 25842463584. Its totient is φ = 4919234976.

The previous prime is 12302011213. The next prime is 12302011229. The reversal of 12302011220 is 2211020321.

It is a happy number.

12302011220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12302011195 and 12302011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302011229) 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, 32762 + ... + 160241.

It is an arithmetic number, because the mean of its divisors is an integer number (1076769316).

Almost surely, 2^12302011220 is an apocalyptic number.

12302011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12302011220 is an abundant number, since it is smaller than the sum of its proper divisors (13540452364).

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

12302011220 is a wasteful number, since it uses less digits than its factorization.

12302011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196199 (or 196197 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12302011220 its reverse (2211020321), we get a palindrome (14513031541).

The spelling of 12302011220 in words is "twelve billion, three hundred two million, eleven thousand, two hundred twenty".