12706271720 has 32 divisors (see below), whose sum is σ = 28592524800. Its totient is φ = 5081901888.

The previous prime is 12706271707. The next prime is 12706271761. The reversal of 12706271720 is 2717260721.

It is a super-2 number, since 2×12706271720² (a number of 21 digits) contains 22 as substring.

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, 486761 + ... + 512199.

It is an arithmetic number, because the mean of its divisors is an integer number (893516400).

Almost surely, 2^12706271720 is an apocalyptic number.

12706271720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12706271720 is an abundant number, since it is smaller than the sum of its proper divisors (15886253080).

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

12706271720 is a wasteful number, since it uses less digits than its factorization.

12706271720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37937 (or 37933 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 35.

The spelling of 12706271720 in words is "twelve billion, seven hundred six million, two hundred seventy-one thousand, seven hundred twenty".