2001232103120 has 80 divisors (see below), whose sum is σ = 4875478663680. Its totient is φ = 762484918272.

The previous prime is 2001232103047. The next prime is 2001232103147. The reversal of 2001232103120 is 213012321002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×2001232103120³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1835609 + ... + 2715128.

It is an arithmetic number, because the mean of its divisors is an integer number (60943483296).

Almost surely, 2^{2001232103120} is an apocalyptic number.

2001232103120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001232103120 is an abundant number, since it is smaller than the sum of its proper divisors (2874246560560).

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

2001232103120 is a wasteful number, since it uses less digits than its factorization.

2001232103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551012 (or 4551006 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2001232103120 its reverse (213012321002), we get a palindrome (2214244424122).

The spelling of 2001232103120 in words is "two trillion, one billion, two hundred thirty-two million, one hundred three thousand, one hundred twenty".