2001210250 has 128 divisors (see below), whose sum is σ = 4422600000. Its totient is φ = 670924800.

The previous prime is 2001210241. The next prime is 2001210271. The reversal of 2001210250 is 520121002.

It can be written as a sum of positive squares in 32 ways, for example, as 804119449 + 1197090801 = 28357^2 + 34599^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 2001210250.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1601626 + ... + 1602874.

Almost surely, 2^2001210250 is an apocalyptic number.

2001210250 is an abundant number, since it is smaller than the sum of its proper divisors (2421389750).

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

2001210250 is a wasteful number, since it uses less digits than its factorization.

2001210250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2001210250 is about 44734.8885099762. Note that the first 3 decimals coincide. The cubic root of 2001210250 is about 1260.1751352257.

Adding to 2001210250 its reverse (520121002), we get a palindrome (2521331252).

The spelling of 2001210250 in words is "two billion, one million, two hundred ten thousand, two hundred fifty".