12071571670 has 16 divisors (see below), whose sum is σ = 21783022848. Its totient is φ = 4816585600.

The previous prime is 12071571623. The next prime is 12071571671. The reversal of 12071571670 is 7617517021.

12071571670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071571671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501174 + ... + 1509193.

It is an arithmetic number, because the mean of its divisors is an integer number (1361438928).

Almost surely, 2^12071571670 is an apocalyptic number.

12071571670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12071571670 is a deficient number, since it is larger than the sum of its proper divisors (9711451178).

12071571670 is a wasteful number, since it uses less digits than its factorization.

12071571670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010775.

The product of its (nonzero) digits is 20580, while the sum is 37.

The spelling of 12071571670 in words is "twelve billion, seventy-one million, five hundred seventy-one thousand, six hundred seventy".