12205555455346 has 8 divisors (see below), whose sum is σ = 19972727108784. Its totient is φ = 5547979752420.

The previous prime is 12205555455337. The next prime is 12205555455377. The reversal of 12205555455346 is 64355455550221.

It is a happy number.

12205555455346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12205555455293 and 12205555455302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277398987600 + ... + 277398987643.

It is an arithmetic number, because the mean of its divisors is an integer number (2496590888598).

Almost surely, 2^{12205555455346} is an apocalyptic number.

12205555455346 is a deficient number, since it is larger than the sum of its proper divisors (7767171653438).

12205555455346 is a wasteful number, since it uses less digits than its factorization.

12205555455346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554797975256.

The product of its (nonzero) digits is 18000000, while the sum is 52.

The spelling of 12205555455346 in words is "twelve trillion, two hundred five billion, five hundred fifty-five million, four hundred fifty-five thousand, three hundred forty-six".