12170573453145 has 16 divisors (see below), whose sum is σ = 19472979773952. Its totient is φ = 6490951758720.

The previous prime is 12170573453123. The next prime is 12170573453147. The reversal of 12170573453145 is 54135437507121.

It is a happy number.

It is not a de Polignac number, because 12170573453145 - 2¹⁵ = 12170573420377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12170573453094 and 12170573453103.

It is not an unprimeable number, because it can be changed into a prime (12170573453147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4343149 + ... + 6572981.

It is an arithmetic number, because the mean of its divisors is an integer number (1217061235872).

Almost surely, 2^{12170573453145} is an apocalyptic number.

12170573453145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12170573453145 is a deficient number, since it is larger than the sum of its proper divisors (7302406320807).

12170573453145 is a wasteful number, since it uses less digits than its factorization.

12170573453145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593712.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 12170573453145 in words is "twelve trillion, one hundred seventy billion, five hundred seventy-three million, four hundred fifty-three thousand, one hundred forty-five".