12020144433332 has 72 divisors (see below), whose sum is σ = 24844647592800. Its totient is φ = 5072589821376.

The previous prime is 12020144433329. The next prime is 12020144433373. The reversal of 12020144433332 is 23333444102021.

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, 33161894 + ... + 33522402.

It is an arithmetic number, because the mean of its divisors is an integer number (345064549900).

Almost surely, 2^{12020144433332} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12020144433332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12422323796400).

12020144433332 is an abundant number, since it is smaller than the sum of its proper divisors (12824503159468).

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

12020144433332 is a wasteful number, since it uses less digits than its factorization.

12020144433332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363133 (or 363124 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 12020144433332 its reverse (23333444102021), we get a palindrome (35353588535353).

The spelling of 12020144433332 in words is "twelve trillion, twenty billion, one hundred forty-four million, four hundred thirty-three thousand, three hundred thirty-two".