12162151571 has 8 divisors (see below), whose sum is σ = 12261993984. Its totient is φ = 12062373120.

The previous prime is 12162151553. The next prime is 12162151591. The reversal of 12162151571 is 17515126121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12162151571 - 2¹⁴ = 12162135187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12162151591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412601 + ... + 441093.

It is an arithmetic number, because the mean of its divisors is an integer number (1532749248).

Almost surely, 2^12162151571 is an apocalyptic number.

12162151571 is a deficient number, since it is larger than the sum of its proper divisors (99842413).

12162151571 is a wasteful number, since it uses less digits than its factorization.

12162151571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31981.

The product of its digits is 4200, while the sum is 32.

Adding to 12162151571 its reverse (17515126121), we get a palindrome (29677277692).

The spelling of 12162151571 in words is "twelve billion, one hundred sixty-two million, one hundred fifty-one thousand, five hundred seventy-one".