2001312011230 has 48 divisors (see below), whose sum is σ = 4233703448016. Its totient is φ = 679090245120.

The previous prime is 2001312011213. The next prime is 2001312011233. The reversal of 2001312011230 is 321102131002.

It is a super-2 number, since 2×2001312011230² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001312011233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21005616 + ... + 21100675.

It is an arithmetic number, because the mean of its divisors is an integer number (88202155167).

Almost surely, 2^{2001312011230} is an apocalyptic number.

2001312011230 is an abundant number, since it is smaller than the sum of its proper divisors (2232391436786).

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

2001312011230 is a wasteful number, since it uses less digits than its factorization.

2001312011230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42106409 (or 42106402 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2001312011230 its reverse (321102131002), we get a palindrome (2322414142232).

The spelling of 2001312011230 in words is "two trillion, one billion, three hundred twelve million, eleven thousand, two hundred thirty".