12606072434 has 16 divisors (see below), whose sum is σ = 18994395672. Its totient is φ = 6274654848.

The previous prime is 12606072359. The next prime is 12606072449. The reversal of 12606072434 is 43427060621.

12606072434 is digitally balanced in base 5, 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 10378515625 + 2227556809 = 101875^2 + 47197^2 .

It is a super-2 number, since 2×12606072434² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12606072394 and 12606072403.

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, 547172 + ... + 569744.

Almost surely, 2^12606072434 is an apocalyptic number.

12606072434 is a deficient number, since it is larger than the sum of its proper divisors (6388323238).

12606072434 is a wasteful number, since it uses less digits than its factorization.

12606072434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23821.

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 12606072434 in words is "twelve billion, six hundred six million, seventy-two thousand, four hundred thirty-four".