12255521343201 has 24 divisors (see below), whose sum is σ = 18452219699264. Its totient is φ = 7830877681440.

The previous prime is 12255521343157. The next prime is 12255521343211. The reversal of 12255521343201 is 10234312555221.

12255521343201 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 5 + 5 + 213 + 432 + 0 + 1 = 666.

It is not a de Polignac number, because 12255521343201 - 2¹⁸ = 12255521081057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12255521343211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274629685 + ... + 274674306.

Almost surely, 2^{12255521343201} is an apocalyptic number.

It is an amenable number.

12255521343201 is a deficient number, since it is larger than the sum of its proper divisors (6196698356063).

12255521343201 is a wasteful number, since it uses less digits than its factorization.

12255521343201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549304101 (or 549304098 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 12255521343201 its reverse (10234312555221), we get a palindrome (22489833898422).

The spelling of 12255521343201 in words is "twelve trillion, two hundred fifty-five billion, five hundred twenty-one million, three hundred forty-three thousand, two hundred one".