12303001020 has 24 divisors (see below), whose sum is σ = 34448403024. Its totient is φ = 3280800256.

The previous prime is 12303001003. The next prime is 12303001033. The reversal of 12303001020 is 2010030321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12303000987 and 12303001005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102524949 + ... + 102525068.

It is an arithmetic number, because the mean of its divisors is an integer number (1435350126).

Almost surely, 2^12303001020 is an apocalyptic number.

12303001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12303001020 is an abundant number, since it is smaller than the sum of its proper divisors (22145402004).

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

12303001020 is a wasteful number, since it uses less digits than its factorization.

12303001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205050029 (or 205050027 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 12303001020 its reverse (2010030321), we get a palindrome (14313031341).

The spelling of 12303001020 in words is "twelve billion, three hundred three million, one thousand, twenty".