12831020290 has 24 divisors (see below), whose sum is σ = 25386335100. Its totient is φ = 4665825120.

The previous prime is 12831020261. The next prime is 12831020291. The reversal of 12831020290 is 9202013821.

12831020290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12794550769 + 36469521 = 113113^2 + 6039^2 .

It is not an unprimeable number, because it can be changed into a prime (12831020291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5300865 + ... + 5303284.

Almost surely, 2^12831020290 is an apocalyptic number.

12831020290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12831020290 is a deficient number, since it is larger than the sum of its proper divisors (12555314810).

12831020290 is a wasteful number, since it uses less digits than its factorization.

12831020290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604178 (or 10604167 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 12831020290 in words is "twelve billion, eight hundred thirty-one million, twenty thousand, two hundred ninety".