12020111120000 has 720 divisors, whose sum is σ = 32906229690510. Its totient is φ = 4371148800000.

The previous prime is 12020111119957. The next prime is 12020111120041. The reversal of 12020111120000 is 2111102021.

It can be written as a sum of positive squares in 15 ways, for example, as 2114185792576 + 9905925327424 = 1454024^2 + 3147368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 22218319730 + ... + 22218320270.

Almost surely, 2^{12020111120000} is an apocalyptic number.

12020111120000 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 12020111120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16453114845255).

12020111120000 is an abundant number, since it is smaller than the sum of its proper divisors (20886118570510).

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

12020111120000 is an frugal number, since it uses more digits than its factorization.

12020111120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12020111120000 its reverse (2111102021), we get a palindrome (12022222222021).

The spelling of 12020111120000 in words is "twelve trillion, twenty billion, one hundred eleven million, one hundred twenty thousand".