2001223130130 has 384 divisors, whose sum is σ = 6544661276160. Its totient is φ = 433017446400.

The previous prime is 2001223130129. The next prime is 2001223130189. The reversal of 2001223130130 is 310313221002.

2001223130130 is a `hidden beast` number, since 200 + 1 + 22 + 313 + 0 + 130 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 29482230 + ... + 29550030.

It is an arithmetic number, because the mean of its divisors is an integer number (17043388740).

Almost surely, 2^{2001223130130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001223130130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3272330638080).

2001223130130 is an abundant number, since it is smaller than the sum of its proper divisors (4543438146030).

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

2001223130130 is a wasteful number, since it uses less digits than its factorization.

2001223130130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67951 (or 67938 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2001223130130 its reverse (310313221002), we get a palindrome (2311536351132).

The spelling of 2001223130130 in words is "two trillion, one billion, two hundred twenty-three million, one hundred thirty thousand, one hundred thirty".