12330031212020 has 48 divisors (see below), whose sum is σ = 26382878858448. Its totient is φ = 4838723635200.

The previous prime is 12330031211989. The next prime is 12330031212029. The reversal of 12330031212020 is 2021213003321.

It can be written as a sum of positive squares in 8 ways, for example, as 1639982461924 + 10690048750096 = 1280618^2 + 3269564^2 .

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 = 12330031211983 and 12330031212001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12330031212029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22735052 + ... + 23271068.

It is an arithmetic number, because the mean of its divisors is an integer number (549643309551).

Almost surely, 2^{12330031212020} is an apocalyptic number.

12330031212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12330031212020 is an abundant number, since it is smaller than the sum of its proper divisors (14052847646428).

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

12330031212020 is a wasteful number, since it uses less digits than its factorization.

12330031212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557780 (or 557778 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12330031212020 its reverse (2021213003321), we get a palindrome (14351244215341).

The spelling of 12330031212020 in words is "twelve trillion, three hundred thirty billion, thirty-one million, two hundred twelve thousand, twenty".