12601475634 has 32 divisors (see below), whose sum is σ = 28381040640. Its totient is φ = 3695446800.

The previous prime is 12601475633. The next prime is 12601475669. The reversal of 12601475634 is 43657410621.

It is a happy number.

12601475634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12601475592 and 12601475601.

It is not an unprimeable number, because it can be changed into a prime (12601475633) 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 15 ways as a sum of consecutive naturals, for example, 3077494 + ... + 3081585.

It is an arithmetic number, because the mean of its divisors is an integer number (886907520).

Almost surely, 2^12601475634 is an apocalyptic number.

12601475634 is an abundant number, since it is smaller than the sum of its proper divisors (15779565006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12601475634 is a wasteful number, since it uses less digits than its factorization.

12601475634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159126.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 12601475634 in words is "twelve billion, six hundred one million, four hundred seventy-five thousand, six hundred thirty-four".