12812475346 has 24 divisors (see below), whose sum is σ = 21217040460. Its totient is φ = 5798395680.

The previous prime is 12812475343. The next prime is 12812475437. The reversal of 12812475346 is 64357421821.

It can be written as a sum of positive squares in 2 ways, for example, as 10580385321 + 2232090025 = 102861^2 + 47245^2 .

It is not an unprimeable number, because it can be changed into a prime (12812475343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60181 + ... + 171016.

Almost surely, 2^12812475346 is an apocalyptic number.

12812475346 is a deficient number, since it is larger than the sum of its proper divisors (8404565114).

12812475346 is a wasteful number, since it uses less digits than its factorization.

12812475346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231450 (or 231439 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The spelling of 12812475346 in words is "twelve billion, eight hundred twelve million, four hundred seventy-five thousand, three hundred forty-six".