12985563627 has 8 divisors (see below), whose sum is σ = 19237872080. Its totient is φ = 8657042400.

The previous prime is 12985563581. The next prime is 12985563631. The reversal of 12985563627 is 72636558921.

12985563627 is a `hidden beast` number, since 1 + 2 + 9 + 8 + 5 + 5 + 6 + 3 + 627 = 666.

It is not a de Polignac number, because 12985563627 - 2⁷ = 12985563499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12985563677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240473374 + ... + 240473427.

It is an arithmetic number, because the mean of its divisors is an integer number (2404734010).

Almost surely, 2^12985563627 is an apocalyptic number.

12985563627 is a deficient number, since it is larger than the sum of its proper divisors (6252308453).

12985563627 is an equidigital number, since it uses as much as digits as its factorization.

12985563627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480946810 (or 480946804 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 12985563627 in words is "twelve billion, nine hundred eighty-five million, five hundred sixty-three thousand, six hundred twenty-seven".