12205405145495 has 16 divisors (see below), whose sum is σ = 14780091493728. Its totient is φ = 9675474107520.

The previous prime is 12205405145477. The next prime is 12205405145627. The reversal of 12205405145495 is 59454150450221.

It is a happy number.

It is not a de Polignac number, because 12205405145495 - 2¹⁴ = 12205405129111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 13318904 + ... + 14205773.

It is an arithmetic number, because the mean of its divisors is an integer number (923755718358).

Almost surely, 2^{12205405145495} is an apocalyptic number.

12205405145495 is a deficient number, since it is larger than the sum of its proper divisors (2574686348233).

12205405145495 is a wasteful number, since it uses less digits than its factorization.

12205405145495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27525490.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 12205405145495 in words is "twelve trillion, two hundred five billion, four hundred five million, one hundred forty-five thousand, four hundred ninety-five".