2012211001 has 16 divisors (see below), whose sum is σ = 2154993984. Its totient is φ = 1872231424.

The previous prime is 2012210983. The next prime is 2012211007. The reversal of 2012211001 is 1001122102.

It is a cyclic number.

It is not a de Polignac number, because 2012211001 - 2⁷ = 2012210873 is a prime.

It is a super-2 number, since 2×2012211001² = 8097986225090844002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012211007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895986 + ... + 898228.

It is an arithmetic number, because the mean of its divisors is an integer number (134687124).

Almost surely, 2^2012211001 is an apocalyptic number.

It is an amenable number.

2012211001 is a deficient number, since it is larger than the sum of its proper divisors (142782983).

2012211001 is a wasteful number, since it uses less digits than its factorization.

2012211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840.

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

The square root of 2012211001 is about 44857.6749397469. The cubic root of 2012211001 is about 1262.4799985852.

Adding to 2012211001 its reverse (1001122102), we get a palindrome (3013333103).

The spelling of 2012211001 in words is "two billion, twelve million, two hundred eleven thousand, one".