12051271467 has 6 divisors (see below), whose sum is σ = 17407392132. Its totient is φ = 8034180972.

The previous prime is 12051271451. The next prime is 12051271469. The reversal of 12051271467 is 76417215021.

12051271467 is a `hidden beast` number, since 12 + 0 + 512 + 71 + 4 + 67 = 666.

It is not a de Polignac number, because 12051271467 - 2⁴ = 12051271451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12051271469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 669515073 + ... + 669515090.

It is an arithmetic number, because the mean of its divisors is an integer number (2901232022).

Almost surely, 2^12051271467 is an apocalyptic number.

12051271467 is a deficient number, since it is larger than the sum of its proper divisors (5356120665).

12051271467 is a wasteful number, since it uses less digits than its factorization.

12051271467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339030169 (or 1339030166 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

Adding to 12051271467 its reverse (76417215021), we get a palindrome (88468486488).

The spelling of 12051271467 in words is "twelve billion, fifty-one million, two hundred seventy-one thousand, four hundred sixty-seven".