2001325122 has 24 divisors (see below), whose sum is σ = 4358914560. Its totient is φ = 663614520.

The previous prime is 2001325097. The next prime is 2001325127. The reversal of 2001325122 is 2215231002.

2001325122 is a `hidden beast` number, since 20 + 0 + 132 + 512 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2001325095 and 2001325104.

It is not an unprimeable number, because it can be changed into a prime (2001325127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287622 + ... + 294497.

It is an arithmetic number, because the mean of its divisors is an integer number (181621440).

Almost surely, 2^2001325122 is an apocalyptic number.

2001325122 is an abundant number, since it is smaller than the sum of its proper divisors (2357589438).

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

2001325122 is a wasteful number, since it uses less digits than its factorization.

2001325122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582318 (or 582315 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2001325122 is about 44736.1724111485. The cubic root of 2001325122 is about 1260.1992466467.

Adding to 2001325122 its reverse (2215231002), we get a palindrome (4216556124).

The spelling of 2001325122 in words is "two billion, one million, three hundred twenty-five thousand, one hundred twenty-two".