12020011000000 has 392 divisors, whose sum is σ = 31065985162800. Its totient is φ = 4610304000000.

The previous prime is 12020010999991. The next prime is 12020011000007. The reversal of 12020011000000 is 11002021.

It is not an unprimeable number, because it can be changed into a prime (12020011000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2418997516 + ... + 2419002484.

It is an arithmetic number, because the mean of its divisors is an integer number (79249962150).

Almost surely, 2^{12020011000000} is an apocalyptic number.

12020011000000 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 12020011000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15532992581400).

12020011000000 is an abundant number, since it is smaller than the sum of its proper divisors (19045974162800).

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

12020011000000 is an frugal number, since it uses more digits than its factorization.

12020011000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111 (or 5076 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12020011000000 its reverse (11002021), we get a palindrome (12020022002021).

The spelling of 12020011000000 in words is "twelve trillion, twenty billion, eleven million", and thus it is an aban number and an uban number.