12255379067205 has 16 divisors (see below), whose sum is σ = 21787340564160. Its totient is φ = 6536202169104.

The previous prime is 12255379067201. The next prime is 12255379067207. The reversal of 12255379067205 is 50276097355221.

12255379067205 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 5 + 379 + 0 + 67 + 205 = 666.

It is not a de Polignac number, because 12255379067205 - 2² = 12255379067201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255379067201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45390292707 + ... + 45390292976.

It is an arithmetic number, because the mean of its divisors is an integer number (1361708785260).

Almost surely, 2^{12255379067205} is an apocalyptic number.

12255379067205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12255379067205 is a deficient number, since it is larger than the sum of its proper divisors (9531961496955).

12255379067205 is an equidigital number, since it uses as much as digits as its factorization.

12255379067205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90780585697 (or 90780585691 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 54.

The spelling of 12255379067205 in words is "twelve trillion, two hundred fifty-five billion, three hundred seventy-nine million, sixty-seven thousand, two hundred five".