12255430543105 has 8 divisors (see below), whose sum is σ = 14707234971432. Its totient is φ = 9803865554688.

The previous prime is 12255430543091. The next prime is 12255430543127. The reversal of 12255430543105 is 50134503455221.

It can be written as a sum of positive squares in 4 ways, for example, as 1695276912784 + 10560153630321 = 1302028^2 + 3249639^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12255430543105 - 2¹³ = 12255430534913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59747352 + ... + 59952121.

It is an arithmetic number, because the mean of its divisors is an integer number (1838404371429).

Almost surely, 2^{12255430543105} is an apocalyptic number.

It is an amenable number.

12255430543105 is a deficient number, since it is larger than the sum of its proper divisors (2451804428327).

12255430543105 is a wasteful number, since it uses less digits than its factorization.

12255430543105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119719955.

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 12255430543105 its reverse (50134503455221), we get a palindrome (62389933998326).

The spelling of 12255430543105 in words is "twelve trillion, two hundred fifty-five billion, four hundred thirty million, five hundred forty-three thousand, one hundred five".