2001231103132 has 12 divisors (see below), whose sum is σ = 3504884099976. Its totient is φ = 999835646000.

The previous prime is 2001231103129. The next prime is 2001231103141. The reversal of 2001231103132 is 2313011321002.

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, 194970619 + ... + 194980882.

It is an arithmetic number, because the mean of its divisors is an integer number (292073674998).

Almost surely, 2^{2001231103132} is an apocalyptic number.

It is an amenable number.

2001231103132 is a deficient number, since it is larger than the sum of its proper divisors (1503652996844).

2001231103132 is a wasteful number, since it uses less digits than its factorization.

2001231103132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389952788 (or 389952786 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2001231103132 its reverse (2313011321002), we get a palindrome (4314242424134).

The spelling of 2001231103132 in words is "two trillion, one billion, two hundred thirty-one million, one hundred three thousand, one hundred thirty-two".