12405071471 has 8 divisors (see below), whose sum is σ = 13361712000. Its totient is φ = 11448774432.

The previous prime is 12405071467. The next prime is 12405071473. The reversal of 12405071471 is 17417050421.

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 12405071471 - 2² = 12405071467 is a prime.

It is a super-3 number, since 3×12405071471³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12405071473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8255 + ... + 157728.

It is an arithmetic number, because the mean of its divisors is an integer number (1670214000).

Almost surely, 2^12405071471 is an apocalyptic number.

12405071471 is a deficient number, since it is larger than the sum of its proper divisors (956640529).

12405071471 is a wasteful number, since it uses less digits than its factorization.

12405071471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171745.

The product of its (nonzero) digits is 7840, while the sum is 32.

The spelling of 12405071471 in words is "twelve billion, four hundred five million, seventy-one thousand, four hundred seventy-one".