2001231033332 has 6 divisors (see below), whose sum is σ = 3502154308338. Its totient is φ = 1000615516664.

The previous prime is 2001231033317. The next prime is 2001231033349. The reversal of 2001231033332 is 2333301321002.

It can be written as a sum of positive squares in only one way, i.e., 1915998566416 + 85232466916 = 1384196^2 + 291946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2001231033298 and 2001231033307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250153879163 + ... + 250153879170.

It is an arithmetic number, because the mean of its divisors is an integer number (583692384723).

Almost surely, 2^{2001231033332} is an apocalyptic number.

It is an amenable number.

2001231033332 is a deficient number, since it is larger than the sum of its proper divisors (1500923275006).

2001231033332 is a wasteful number, since it uses less digits than its factorization.

2001231033332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500307758337 (or 500307758335 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 2001231033332 its reverse (2333301321002), we get a palindrome (4334532354334).

The spelling of 2001231033332 in words is "two trillion, one billion, two hundred thirty-one million, thirty-three thousand, three hundred thirty-two".