12612340456 has 16 divisors (see below), whose sum is σ = 23736053700. Its totient is φ = 6282726144.

The previous prime is 12612340393. The next prime is 12612340457. The reversal of 12612340456 is 65404321621.

12612340456 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 12528324900 + 84015556 = 111930^2 + 9166^2 .

It is a super-2 number, since 2×12612340456² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12612340457) 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 3 ways as a sum of consecutive naturals, for example, 2928225 + ... + 2932528.

Almost surely, 2^12612340456 is an apocalyptic number.

It is an amenable number.

12612340456 is a deficient number, since it is larger than the sum of its proper divisors (11123713244).

12612340456 is a wasteful number, since it uses less digits than its factorization.

12612340456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861028 (or 5861024 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 12612340456 in words is "twelve billion, six hundred twelve million, three hundred forty thousand, four hundred fifty-six".