12363450561 has 48 divisors (see below), whose sum is σ = 22341271680. Its totient is φ = 6400546560.

The previous prime is 12363450559. The next prime is 12363450563. The reversal of 12363450561 is 16505436321.

12363450561 is a `hidden beast` number, since 12 + 3 + 6 + 34 + 50 + 561 = 666.

It is an interprime number because it is at equal distance from previous prime (12363450559) and next prime (12363450563).

It is not a de Polignac number, because 12363450561 - 2¹ = 12363450559 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12363450563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172605 + ... + 233493.

It is an arithmetic number, because the mean of its divisors is an integer number (465443160).

Almost surely, 2^12363450561 is an apocalyptic number.

12363450561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12363450561 is a deficient number, since it is larger than the sum of its proper divisors (9977821119).

12363450561 is a wasteful number, since it uses less digits than its factorization.

12363450561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61206 (or 61203 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 12363450561 its reverse (16505436321), we get a palindrome (28868886882).

The spelling of 12363450561 in words is "twelve billion, three hundred sixty-three million, four hundred fifty thousand, five hundred sixty-one".