2001212230000 has 200 divisors, whose sum is σ = 4870648893440. Its totient is φ = 796284000000.

The previous prime is 2001212229979. The next prime is 2001212230051. The reversal of 2001212230000 is 322121002.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2664729625 + ... + 2664730375.

Almost surely, 2^{2001212230000} is an apocalyptic number.

2001212230000 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 2001212230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2435324446720).

2001212230000 is an abundant number, since it is smaller than the sum of its proper divisors (2869436663440).

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

2001212230000 is an equidigital number, since it uses as much as digits as its factorization.

2001212230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2001212230000 its reverse (322121002), we get a palindrome (2001534351002).

The spelling of 2001212230000 in words is "two trillion, one billion, two hundred twelve million, two hundred thirty thousand".