12406542602 has 8 divisors (see below), whose sum is σ = 18651262500. Its totient is φ = 6189455104.

The previous prime is 12406542593. The next prime is 12406542697. The reversal of 12406542602 is 20624560421.

12406542602 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 11483051281 + 923491321 = 107159^2 + 30389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 6906977 + ... + 6908772.

Almost surely, 2^12406542602 is an apocalyptic number.

12406542602 is a deficient number, since it is larger than the sum of its proper divisors (6244719898).

12406542602 is a wasteful number, since it uses less digits than its factorization.

12406542602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13816200.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 12406542602 in words is "twelve billion, four hundred six million, five hundred forty-two thousand, six hundred two".