2001215130 has 16 divisors (see below), whose sum is σ = 4802916384. Its totient is φ = 533657360.

The previous prime is 2001215089. The next prime is 2001215149. The reversal of 2001215130 is 315121002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33353556 + ... + 33353615.

It is an arithmetic number, because the mean of its divisors is an integer number (300182274).

Almost surely, 2^2001215130 is an apocalyptic number.

2001215130 is an abundant number, since it is smaller than the sum of its proper divisors (2801701254).

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

2001215130 is a wasteful number, since it uses less digits than its factorization.

2001215130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66707181.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 2001215130 is about 44734.9430535013. The cubic root of 2001215130 is about 1260.1761595475.

Adding to 2001215130 its reverse (315121002), we get a palindrome (2316336132).

The spelling of 2001215130 in words is "two billion, one million, two hundred fifteen thousand, one hundred thirty".