2001140212143 has 8 divisors (see below), whose sum is σ = 2668194238000. Its totient is φ = 1334089830528.

The previous prime is 2001140212133. The next prime is 2001140212151. The reversal of 2001140212143 is 3412120411002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2001140212143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001140212133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864663 + ... + 2179431.

It is an arithmetic number, because the mean of its divisors is an integer number (333524279750).

Almost surely, 2^{2001140212143} is an apocalyptic number.

2001140212143 is a deficient number, since it is larger than the sum of its proper divisors (667054025857).

2001140212143 is a wasteful number, since it uses less digits than its factorization.

2001140212143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822121.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2001140212143 its reverse (3412120411002), we get a palindrome (5413260623145).

The spelling of 2001140212143 in words is "two trillion, one billion, one hundred forty million, two hundred twelve thousand, one hundred forty-three".