12310200020 has 24 divisors (see below), whose sum is σ = 25942779744. Its totient is φ = 4906678176.

The previous prime is 12310199981. The next prime is 12310200031. The reversal of 12310200020 is 2000201321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12310199974 and 12310200010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081814 + ... + 1093133.

It is an arithmetic number, because the mean of its divisors is an integer number (1080949156).

Almost surely, 2^12310200020 is an apocalyptic number.

12310200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310200020 is an abundant number, since it is smaller than the sum of its proper divisors (13632579724).

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

12310200020 is a wasteful number, since it uses less digits than its factorization.

12310200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175239 (or 2175237 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12310200020 its reverse (2000201321), we get a palindrome (14310401341).

The spelling of 12310200020 in words is "twelve billion, three hundred ten million, two hundred thousand, twenty".