12856373290 has 16 divisors (see below), whose sum is σ = 23147327880. Its totient is φ = 5141248000.

The previous prime is 12856373261. The next prime is 12856373291. The reversal of 12856373290 is 9237365821.

12856373290 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 4 ways, for example, as 8497336761 + 4359036529 = 92181^2 + 66023^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12856373290.

It is not an unprimeable number, because it can be changed into a prime (12856373291) 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 7 ways as a sum of consecutive naturals, for example, 120655 + ... + 200674.

Almost surely, 2^12856373290 is an apocalyptic number.

12856373290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12856373290 is a deficient number, since it is larger than the sum of its proper divisors (10290954590).

12856373290 is a wasteful number, since it uses less digits than its factorization.

12856373290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325337.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 12856373290 in words is "twelve billion, eight hundred fifty-six million, three hundred seventy-three thousand, two hundred ninety".