2001123112030 has 64 divisors (see below), whose sum is σ = 4208236830720. Its totient is φ = 670854052224.

The previous prime is 2001123111943. The next prime is 2001123112069. The reversal of 2001123112030 is 302113211002.

It is a junction number, because it is equal to n+sod(n) for n = 2001123111995 and 2001123112013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3125604 + ... + 3711016.

It is an arithmetic number, because the mean of its divisors is an integer number (65753700480).

Almost surely, 2^{2001123112030} is an apocalyptic number.

2001123112030 is an abundant number, since it is smaller than the sum of its proper divisors (2207113718690).

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

2001123112030 is a wasteful number, since it uses less digits than its factorization.

2001123112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586513.

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

Adding to 2001123112030 its reverse (302113211002), we get a palindrome (2303236323032).

The spelling of 2001123112030 in words is "two trillion, one billion, one hundred twenty-three million, one hundred twelve thousand, thirty".