12727470018 has 16 divisors (see below), whose sum is σ = 26075792736. Its totient is φ = 4139014560.

The previous prime is 12727469987. The next prime is 12727470023. The reversal of 12727470018 is 81007472721.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25868596 + ... + 25869087.

It is an arithmetic number, because the mean of its divisors is an integer number (1629737046).

Almost surely, 2^12727470018 is an apocalyptic number.

12727470018 is an abundant number, since it is smaller than the sum of its proper divisors (13348322718).

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

12727470018 is a wasteful number, since it uses less digits than its factorization.

12727470018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51737729.

The product of its (nonzero) digits is 43904, while the sum is 39.

The spelling of 12727470018 in words is "twelve billion, seven hundred twenty-seven million, four hundred seventy thousand, eighteen".