2001312313332 has 12 divisors (see below), whose sum is σ = 4669728731136. Its totient is φ = 667104104440.

The previous prime is 2001312313307. The next prime is 2001312313333. The reversal of 2001312313332 is 2333132131002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001312313333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83388013044 + ... + 83388013067.

It is an arithmetic number, because the mean of its divisors is an integer number (389144060928).

Almost surely, 2^{2001312313332} is an apocalyptic number.

It is an amenable number.

2001312313332 is an abundant number, since it is smaller than the sum of its proper divisors (2668416417804).

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

2001312313332 is a wasteful number, since it uses less digits than its factorization.

2001312313332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166776026118 (or 166776026116 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 2001312313332 its reverse (2333132131002), we get a palindrome (4334444444334).

The spelling of 2001312313332 in words is "two trillion, one billion, three hundred twelve million, three hundred thirteen thousand, three hundred thirty-two".