12182158971 has 32 divisors (see below), whose sum is σ = 18258151680. Its totient is φ = 8027062848.

The previous prime is 12182158969. The next prime is 12182158987. The reversal of 12182158971 is 17985128121.

It is not a de Polignac number, because 12182158971 - 2¹ = 12182158969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12182158951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1315660 + ... + 1324886.

It is an arithmetic number, because the mean of its divisors is an integer number (570567240).

Almost surely, 2^12182158971 is an apocalyptic number.

12182158971 is a deficient number, since it is larger than the sum of its proper divisors (6075992709).

12182158971 is a wasteful number, since it uses less digits than its factorization.

12182158971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9800 (or 9794 counting only the distinct ones).

The product of its digits is 80640, while the sum is 45.

The spelling of 12182158971 in words is "twelve billion, one hundred eighty-two million, one hundred fifty-eight thousand, nine hundred seventy-one".