12601064427 has 16 divisors (see below), whose sum is σ = 19863747840. Its totient is φ = 6952311072.

The previous prime is 12601064401. The next prime is 12601064467. The reversal of 12601064427 is 72446010621.

It is not a de Polignac number, because 12601064427 - 2⁶ = 12601064363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12601064467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10345093 + ... + 10346310.

It is an arithmetic number, because the mean of its divisors is an integer number (1241484240).

Almost surely, 2^12601064427 is an apocalyptic number.

12601064427 is a deficient number, since it is larger than the sum of its proper divisors (7262683413).

12601064427 is a wasteful number, since it uses less digits than its factorization.

12601064427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20691442.

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 12601064427 in words is "twelve billion, six hundred one million, sixty-four thousand, four hundred twenty-seven".