1224100512223 has 4 divisors (see below), whose sum is σ = 1277322273648. Its totient is φ = 1170878750800.

The previous prime is 1224100512163. The next prime is 1224100512241. The reversal of 1224100512223 is 3222150014221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224100512223 is a prime.

It is a super-2 number, since 2×1224100512223² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224100512253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26610880678 + ... + 26610880723.

It is an arithmetic number, because the mean of its divisors is an integer number (319330568412).

Almost surely, 2^{1224100512223} is an apocalyptic number.

1224100512223 is a deficient number, since it is larger than the sum of its proper divisors (53221761425).

1224100512223 is an equidigital number, since it uses as much as digits as its factorization.

1224100512223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53221761424.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1224100512223 its reverse (3222150014221), we get a palindrome (4446250526444).

The spelling of 1224100512223 in words is "one trillion, two hundred twenty-four billion, one hundred million, five hundred twelve thousand, two hundred twenty-three".