12310333020 has 120 divisors (see below), whose sum is σ = 38779441008. Its totient is φ = 3269030400.

The previous prime is 12310333019. The next prime is 12310333031. The reversal of 12310333020 is 2033301321.

12310333020 is a `hidden beast` number, since 1 + 2 + 310 + 3 + 330 + 20 = 666.

12310333020 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 12310332984 and 12310333002.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 374655 + ... + 406185.

Almost surely, 2^12310333020 is an apocalyptic number.

12310333020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12310333020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19389720504).

12310333020 is an abundant number, since it is smaller than the sum of its proper divisors (26469107988).

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

12310333020 is a wasteful number, since it uses less digits than its factorization.

12310333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31793 (or 31782 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12310333020 its reverse (2033301321), we get a palindrome (14343634341).

The spelling of 12310333020 in words is "twelve billion, three hundred ten million, three hundred thirty-three thousand, twenty".