12012031232020 has 12 divisors (see below), whose sum is σ = 25225265587284. Its totient is φ = 4804812492800.

The previous prime is 12012031231999. The next prime is 12012031232023. The reversal of 12012031232020 is 2023213021021.

It can be written as a sum of positive squares in 2 ways, for example, as 7703700006916 + 4308331225104 = 2775554^2 + 2075652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012031232023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300300780781 + ... + 300300780820.

It is an arithmetic number, because the mean of its divisors is an integer number (2102105465607).

Almost surely, 2^{12012031232020} is an apocalyptic number.

12012031232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012031232020 is an abundant number, since it is smaller than the sum of its proper divisors (13213234355264).

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

12012031232020 is a wasteful number, since it uses less digits than its factorization.

12012031232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600601561610 (or 600601561608 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12012031232020 its reverse (2023213021021), we get a palindrome (14035244253041).

The spelling of 12012031232020 in words is "twelve trillion, twelve billion, thirty-one million, two hundred thirty-two thousand, twenty".