2011001200000 has 192 divisors, whose sum is σ = 5392753435440. Its totient is φ = 742521600000.

The previous prime is 2011001199997. The next prime is 2011001200079. The reversal of 2011001200000 is 21001102.

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, 5006635 + ... + 5393365.

Almost surely, 2^{2011001200000} is an apocalyptic number.

2011001200000 is a gapful number since it is divisible by the number (20) 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 2011001200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2696376717720).

2011001200000 is an abundant number, since it is smaller than the sum of its proper divisors (3381752235440).

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

2011001200000 is an frugal number, since it uses more digits than its factorization.

2011001200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386783 (or 386751 counting only the distinct ones).

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

Adding to 2011001200000 its reverse (21001102), we get a palindrome (2011022201102).

The spelling of 2011001200000 in words is "two trillion, eleven billion, one million, two hundred thousand".