1224204040045 has 8 divisors (see below), whose sum is σ = 1678908397824. Its totient is φ = 839454198864.

The previous prime is 1224204040027. The next prime is 1224204040057. The reversal of 1224204040045 is 5400404024221.

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 1224204040045 - 2⁵ = 1224204040013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1224204039995 and 1224204040022.

It is a congruent 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, 17488629109 + ... + 17488629178.

It is an arithmetic number, because the mean of its divisors is an integer number (209863549728).

Almost surely, 2^{1224204040045} is an apocalyptic number.

It is an amenable number.

1224204040045 is a deficient number, since it is larger than the sum of its proper divisors (454704357779).

1224204040045 is an equidigital number, since it uses as much as digits as its factorization.

1224204040045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34977258299.

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 1224204040045 its reverse (5400404024221), we get a palindrome (6624608064266).

The spelling of 1224204040045 in words is "one trillion, two hundred twenty-four billion, two hundred four million, forty thousand, forty-five".