12303303030020 has 24 divisors (see below), whose sum is σ = 25840571059800. Its totient is φ = 4920628888832.

The previous prime is 12303303030017. The next prime is 12303303030097. The reversal of 12303303030020 is 2003030330321.

It can be written as a sum of positive squares in 4 ways, for example, as 567909945604 + 11735393084416 = 753598^2 + 3425696^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12303303029974 and 12303303030001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43124465 + ... + 43408824.

It is an arithmetic number, because the mean of its divisors is an integer number (1076690460825).

Almost surely, 2^{12303303030020} is an apocalyptic number.

12303303030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12303303030020 is an abundant number, since it is smaller than the sum of its proper divisors (13537268029780).

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

12303303030020 is a wasteful number, since it uses less digits than its factorization.

12303303030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86540407 (or 86540405 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 12303303030020 its reverse (2003030330321), we get a palindrome (14306333360341).

The spelling of 12303303030020 in words is "twelve trillion, three hundred three billion, three hundred three million, thirty thousand, twenty".