2001312104 has 64 divisors (see below), whose sum is σ = 4321944000. Its totient is φ = 859230720.

The previous prime is 2001312091. The next prime is 2001312107. The reversal of 2001312104 is 4012131002.

It is not an unprimeable number, because it can be changed into a prime (2001312107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622052 + ... + 625260.

It is an arithmetic number, because the mean of its divisors is an integer number (67530375).

Almost surely, 2^2001312104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001312104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160972000).

2001312104 is an abundant number, since it is smaller than the sum of its proper divisors (2320631896).

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

2001312104 is a wasteful number, since it uses less digits than its factorization.

2001312104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618 (or 3614 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2001312104 is about 44736.0269134397. The cubic root of 2001312104 is about 1260.1965142389.

Adding to 2001312104 its reverse (4012131002), we get a palindrome (6013443106).

The spelling of 2001312104 in words is "two billion, one million, three hundred twelve thousand, one hundred four".