2001211012 has 6 divisors (see below), whose sum is σ = 3502119278. Its totient is φ = 1000605504.

The previous prime is 2001210989. The next prime is 2001211027. The reversal of 2001211012 is 2101121002.

It can be written as a sum of positive squares in only one way, i.e., 1611701316 + 389509696 = 40146^2 + 19736^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2001211012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250151373 + ... + 250151380.

Almost surely, 2^2001211012 is an apocalyptic number.

It is an amenable number.

2001211012 is a deficient number, since it is larger than the sum of its proper divisors (1500908266).

2001211012 is a wasteful number, since it uses less digits than its factorization.

2001211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500302757 (or 500302755 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2001211012 is about 44734.8970268179. The cubic root of 2001211012 is about 1260.1752951712.

Adding to 2001211012 its reverse (2101121002), we get a palindrome (4102332014).

The spelling of 2001211012 in words is "two billion, one million, two hundred eleven thousand, twelve".