12040000003020 has 192 divisors, whose sum is σ = 37066699837440. Its totient is φ = 2895844838400.

The previous prime is 12040000002949. The next prime is 12040000003027. The reversal of 12040000003020 is 2030000004021.

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 = 12040000002987 and 12040000003005.

It is not an unprimeable number, because it can be changed into a prime (12040000003027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54582150 + ... + 54802290.

It is an arithmetic number, because the mean of its divisors is an integer number (193055728320).

Almost surely, 2^{12040000003020} is an apocalyptic number.

12040000003020 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 12040000003020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18533349918720).

12040000003020 is an abundant number, since it is smaller than the sum of its proper divisors (25026699834420).

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

12040000003020 is a wasteful number, since it uses less digits than its factorization.

12040000003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220816 (or 220814 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 12040000003020 its reverse (2030000004021), we get a palindrome (14070000007041).

The spelling of 12040000003020 in words is "twelve trillion, forty billion, three thousand, twenty".