8132013812 has 24 divisors (see below), whose sum is σ = 15461355336. Its totient is φ = 3720019968.

The previous prime is 8132013811. The next prime is 8132013823. The reversal of 8132013812 is 2183102318.

It can be written as a sum of positive squares in 4 ways, for example, as 450543076 + 7681470736 = 21226^2 + 87644^2 .

It is a super-2 number, since 2×8132013812² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8132013811) 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 7 ways as a sum of consecutive naturals, for example, 686093 + ... + 697844.

It is an arithmetic number, because the mean of its divisors is an integer number (644223139).

Almost surely, 2^8132013812 is an apocalyptic number.

It is an amenable number.

8132013812 is a deficient number, since it is larger than the sum of its proper divisors (7329341524).

8132013812 is a wasteful number, since it uses less digits than its factorization.

8132013812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384067 (or 1384065 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 8132013812 is about 90177.6791229404. The cubic root of 8132013812 is about 2010.9411870657.

The spelling of 8132013812 in words is "eight billion, one hundred thirty-two million, thirteen thousand, eight hundred twelve".