12020331122320 has 40 divisors (see below), whose sum is σ = 28597206375936. Its totient is φ = 4696315413888.

The previous prime is 12020331122281. The next prime is 12020331122369. The reversal of 12020331122320 is 2322113302021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 12020331122291 and 12020331122300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1747137712 + ... + 1747144591.

Almost surely, 2^{12020331122320} is an apocalyptic number.

12020331122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020331122320 is an abundant number, since it is smaller than the sum of its proper divisors (16576875253616).

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

12020331122320 is a wasteful number, since it uses less digits than its factorization.

12020331122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494282359 (or 3494282353 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12020331122320 its reverse (2322113302021), we get a palindrome (14342444424341).

The spelling of 12020331122320 in words is "twelve trillion, twenty billion, three hundred thirty-one million, one hundred twenty-two thousand, three hundred twenty".