1224135204545 has 16 divisors (see below), whose sum is σ = 1605849822720. Its totient is φ = 888421507200.

The previous prime is 1224135204529. The next prime is 1224135204581. The reversal of 1224135204545 is 5454025314221.

It is not a de Polignac number, because 1224135204545 - 2⁴ = 1224135204529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1224135204499 and 1224135204508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23206436 + ... + 23259125.

It is an arithmetic number, because the mean of its divisors is an integer number (100365613920).

Almost surely, 2^{1224135204545} is an apocalyptic number.

It is an amenable number.

1224135204545 is a deficient number, since it is larger than the sum of its proper divisors (381714618175).

1224135204545 is a wasteful number, since it uses less digits than its factorization.

1224135204545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46466056.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 1224135204545 in words is "one trillion, two hundred twenty-four billion, one hundred thirty-five million, two hundred four thousand, five hundred forty-five".