1213044224123 has 4 divisors (see below), whose sum is σ = 1220307962160. Its totient is φ = 1205780486088.

The previous prime is 1213044224059. The next prime is 1213044224143. The reversal of 1213044224123 is 3214224403121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213044224123 - 2⁶ = 1213044224059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213044224143) 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, 3631868768 + ... + 3631869101.

It is an arithmetic number, because the mean of its divisors is an integer number (305076990540).

Almost surely, 2^{1213044224123} is an apocalyptic number.

1213044224123 is a deficient number, since it is larger than the sum of its proper divisors (7263738037).

1213044224123 is an equidigital number, since it uses as much as digits as its factorization.

1213044224123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263738036.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1213044224123 its reverse (3214224403121), we get a palindrome (4427268627244).

The spelling of 1213044224123 in words is "one trillion, two hundred thirteen billion, forty-four million, two hundred twenty-four thousand, one hundred twenty-three".