2001321303132 has 12 divisors (see below), whose sum is σ = 4669749707336. Its totient is φ = 667107101040.

The previous prime is 2001321303119. The next prime is 2001321303161. The reversal of 2001321303132 is 2313031231002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2001321303099 and 2001321303108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83388387619 + ... + 83388387642.

Almost surely, 2^{2001321303132} is an apocalyptic number.

It is an amenable number.

2001321303132 is an abundant number, since it is smaller than the sum of its proper divisors (2668428404204).

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

2001321303132 is a wasteful number, since it uses less digits than its factorization.

2001321303132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166776775268 (or 166776775266 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2001321303132 its reverse (2313031231002), we get a palindrome (4314352534134).

The spelling of 2001321303132 in words is "two trillion, one billion, three hundred twenty-one million, three hundred three thousand, one hundred thirty-two".