12013333020 has 192 divisors, whose sum is σ = 40398704640. Its totient is φ = 2946191616.

The previous prime is 12013333019. The next prime is 12013333069. The reversal of 12013333020 is 2033331021.

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 = 12013332984 and 12013333002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1983637 + ... + 1989683.

It is an arithmetic number, because the mean of its divisors is an integer number (210409920).

Almost surely, 2^12013333020 is an apocalyptic number.

12013333020 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 12013333020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20199352320).

12013333020 is an abundant number, since it is smaller than the sum of its proper divisors (28385371620).

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

12013333020 is a wasteful number, since it uses less digits than its factorization.

12013333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6361 (or 6353 counting only the distinct ones).

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

Adding to 12013333020 its reverse (2033331021), we get a palindrome (14046664041).

The spelling of 12013333020 in words is "twelve billion, thirteen million, three hundred thirty-three thousand, twenty".