12310030002220 has 24 divisors (see below), whose sum is σ = 26742478971600. Its totient is φ = 4754218483392.

The previous prime is 12310030002209. The next prime is 12310030002223. The reversal of 12310030002220 is 2220003001321.

It is a junction number, because it is equal to n+sod(n) for n = 12310030002194 and 12310030002203.

It is not an unprimeable number, because it can be changed into a prime (12310030002223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10612094250 + ... + 10612095409.

It is an arithmetic number, because the mean of its divisors is an integer number (1114269957150).

Almost surely, 2^{12310030002220} is an apocalyptic number.

12310030002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310030002220 is an abundant number, since it is smaller than the sum of its proper divisors (14432448969380).

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

12310030002220 is a wasteful number, since it uses less digits than its factorization.

12310030002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21224189697 (or 21224189695 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12310030002220 its reverse (2220003001321), we get a palindrome (14530033003541).

The spelling of 12310030002220 in words is "twelve trillion, three hundred ten billion, thirty million, two thousand, two hundred twenty".