12030332020 has 72 divisors (see below), whose sum is σ = 29673955584. Its totient is φ = 4084605504.

The previous prime is 12030332003. The next prime is 12030332057. The reversal of 12030332020 is 2023303021.

It is a super-2 number, since 2×12030332020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12030331985 and 12030332003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41349 + ... + 160531.

It is an arithmetic number, because the mean of its divisors is an integer number (412138272).

Almost surely, 2^12030332020 is an apocalyptic number.

12030332020 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 12030332020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14836977792).

12030332020 is an abundant number, since it is smaller than the sum of its proper divisors (17643623564).

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

12030332020 is a wasteful number, since it uses less digits than its factorization.

12030332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119309 (or 119300 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 12030332020 its reverse (2023303021), we get a palindrome (14053635041).

The spelling of 12030332020 in words is "twelve billion, thirty million, three hundred thirty-two thousand, twenty".