2001230011000 has 96 divisors (see below), whose sum is σ = 5147296212240. Its totient is φ = 727719960000.

The previous prime is 2001230010979. The next prime is 2001230011003. The reversal of 2001230011000 is 1100321002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001230011003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8148546 + ... + 8390545.

Almost surely, 2^{2001230011000} is an apocalyptic number.

2001230011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001230011000 is an abundant number, since it is smaller than the sum of its proper divisors (3146066201240).

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

2001230011000 is a wasteful number, since it uses less digits than its factorization.

2001230011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16539134 (or 16539109 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 2001230011000 its reverse (1100321002), we get a palindrome (2002330332002).

The spelling of 2001230011000 in words is "two trillion, one billion, two hundred thirty million, eleven thousand".