12705160518 has 24 divisors (see below), whose sum is σ = 27744607488. Its totient is φ = 4201705872.

The previous prime is 12705160513. The next prime is 12705160553. The reversal of 12705160518 is 81506150721.

12705160518 is a `hidden beast` number, since 12 + 70 + 5 + 1 + 60 + 518 = 666.

It is a super-2 number, since 2×12705160518² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12705160513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2776621 + ... + 2781192.

It is an arithmetic number, because the mean of its divisors is an integer number (1156025312).

Almost surely, 2^12705160518 is an apocalyptic number.

12705160518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12705160518 is an abundant number, since it is smaller than the sum of its proper divisors (15039446970).

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

12705160518 is a wasteful number, since it uses less digits than its factorization.

12705160518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557948 (or 5557945 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The spelling of 12705160518 in words is "twelve billion, seven hundred five million, one hundred sixty thousand, five hundred eighteen".