2001232231124 has 12 divisors (see below), whose sum is σ = 4002464462304. Its totient is φ = 857670956184.

The previous prime is 2001232231121. The next prime is 2001232231199. The reversal of 2001232231124 is 4211322321002.

2001232231124 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2001232231124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001232231121) 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, 35736289814 + ... + 35736289869.

It is an arithmetic number, because the mean of its divisors is an integer number (333538705192).

Almost surely, 2^{2001232231124} is an apocalyptic number.

It is an amenable number.

2001232231124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2001232231124 is a wasteful number, since it uses less digits than its factorization.

2001232231124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71472579694 (or 71472579692 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2001232231124 its reverse (4211322321002), we get a palindrome (6212554552126).

The spelling of 2001232231124 in words is "two trillion, one billion, two hundred thirty-two million, two hundred thirty-one thousand, one hundred twenty-four".