12247032171 has 16 divisors (see below), whose sum is σ = 17825027328. Its totient is φ = 7417792800.

The previous prime is 12247032131. The next prime is 12247032199. The reversal of 12247032171 is 17123074221.

It is not a de Polignac number, because 12247032171 - 2¹⁵ = 12246999403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12247032121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62440 + ... + 168501.

It is an arithmetic number, because the mean of its divisors is an integer number (1114064208).

Almost surely, 2^12247032171 is an apocalyptic number.

12247032171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12247032171 is a deficient number, since it is larger than the sum of its proper divisors (5577995157).

12247032171 is a wasteful number, since it uses less digits than its factorization.

12247032171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232562.

The product of its (nonzero) digits is 4704, while the sum is 30.

The spelling of 12247032171 in words is "twelve billion, two hundred forty-seven million, thirty-two thousand, one hundred seventy-one".