12612635306 has 16 divisors (see below), whose sum is σ = 19098732744. Its totient is φ = 6246672384.

The previous prime is 12612635279. The next prime is 12612635317. The reversal of 12612635306 is 60353621621.

It can be written as a sum of positive squares in 4 ways, for example, as 11169319225 + 1443316081 = 105685^2 + 37991^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19820 + ... + 160056.

Almost surely, 2^12612635306 is an apocalyptic number.

12612635306 is a deficient number, since it is larger than the sum of its proper divisors (6486097438).

12612635306 is a wasteful number, since it uses less digits than its factorization.

12612635306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140665.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 12612635306 in words is "twelve billion, six hundred twelve million, six hundred thirty-five thousand, three hundred six".