2011231204 has 12 divisors (see below), whose sum is σ = 3543277500. Its totient is φ = 998866208.

The previous prime is 2011231199. The next prime is 2011231207. The reversal of 2011231204 is 4021321102.

It can be written as a sum of positive squares in 2 ways, for example, as 387302400 + 1623928804 = 19680^2 + 40298^2 .

It is not an unprimeable number, because it can be changed into a prime (2011231207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686679 + ... + 1687870.

It is an arithmetic number, because the mean of its divisors is an integer number (295273125).

Almost surely, 2^2011231204 is an apocalyptic number.

It is an amenable number.

2011231204 is a deficient number, since it is larger than the sum of its proper divisors (1532046296).

2011231204 is a wasteful number, since it uses less digits than its factorization.

2011231204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374702 (or 3374700 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2011231204 is about 44846.7524353771. The cubic root of 2011231204 is about 1262.2750540507.

Adding to 2011231204 its reverse (4021321102), we get a palindrome (6032552306).

The spelling of 2011231204 in words is "two billion, eleven million, two hundred thirty-one thousand, two hundred four".