2012011001 has 48 divisors (see below), whose sum is σ = 2777882688. Its totient is φ = 1432368000.

The previous prime is 2012010977. The next prime is 2012011003. The reversal of 2012011001 is 1001102102.

It is not a de Polignac number, because 2012011001 - 2⁶ = 2012010937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012011001.

It is not an unprimeable number, because it can be changed into a prime (2012011003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 706286 + ... + 709128.

It is an arithmetic number, because the mean of its divisors is an integer number (57872556).

Almost surely, 2^2012011001 is an apocalyptic number.

It is an amenable number.

2012011001 is a deficient number, since it is larger than the sum of its proper divisors (765871687).

2012011001 is a wasteful number, since it uses less digits than its factorization.

2012011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2975 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2012011001 is about 44855.4456114305. The cubic root of 2012011001 is about 1262.4381699093.

Adding to 2012011001 its reverse (1001102102), we get a palindrome (3013113103).

It can be divided in two parts, 201201 and 1001, that added together give a palindrome (202202).

The spelling of 2012011001 in words is "two billion, twelve million, eleven thousand, one".