2811030012 has 144 divisors (see below), whose sum is σ = 8669606400. Its totient is φ = 750072960.

The previous prime is 2811030007. The next prime is 2811030017. The reversal of 2811030012 is 2100301182.

It is an interprime number because it is at equal distance from previous prime (2811030007) and next prime (2811030017).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2811030017) 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 47 ways as a sum of consecutive naturals, for example, 335814 + ... + 344082.

It is an arithmetic number, because the mean of its divisors is an integer number (60205600).

Almost surely, 2^2811030012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2811030012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4334803200).

2811030012 is an abundant number, since it is smaller than the sum of its proper divisors (5858576388).

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

2811030012 is a wasteful number, since it uses less digits than its factorization.

2811030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8376 (or 8371 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 2811030012 is about 53019.1475978254. The cubic root of 2811030012 is about 1411.3080783897.

Adding to 2811030012 its reverse (2100301182), we get a palindrome (4911331194).

The spelling of 2811030012 in words is "two billion, eight hundred eleven million, thirty thousand, twelve".