12151110171 has 16 divisors (see below), whose sum is σ = 17213133600. Its totient is φ = 7610012928.

The previous prime is 12151110149. The next prime is 12151110199. The reversal of 12151110171 is 17101115121.

It is not a de Polignac number, because 12151110171 - 2¹⁰ = 12151109147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12151110131) 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, 1884186 + ... + 1890623.

It is an arithmetic number, because the mean of its divisors is an integer number (1075820850).

Almost surely, 2^12151110171 is an apocalyptic number.

12151110171 is a deficient number, since it is larger than the sum of its proper divisors (5062023429).

12151110171 is a wasteful number, since it uses less digits than its factorization.

12151110171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774878.

The product of its (nonzero) digits is 70, while the sum is 21.

Adding to 12151110171 its reverse (17101115121), we get a palindrome (29252225292).

The spelling of 12151110171 in words is "twelve billion, one hundred fifty-one million, one hundred ten thousand, one hundred seventy-one".