12571638046 has 8 divisors (see below), whose sum is σ = 20571771384. Its totient is φ = 5714380920.

The previous prime is 12571638043. The next prime is 12571638109. The reversal of 12571638046 is 64083617521.

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

It is a junction number, because it is equal to n+sod(n) for n = 12571637993 and 12571638011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12571638043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285719025 + ... + 285719068.

It is an arithmetic number, because the mean of its divisors is an integer number (2571471423).

Almost surely, 2^12571638046 is an apocalyptic number.

12571638046 is a deficient number, since it is larger than the sum of its proper divisors (8000133338).

12571638046 is a wasteful number, since it uses less digits than its factorization.

12571638046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571438106.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 12571638046 in words is "twelve billion, five hundred seventy-one million, six hundred thirty-eight thousand, forty-six".