1223043012213 has 16 divisors (see below), whose sum is σ = 1798960104000. Its totient is φ = 732909668480.

The previous prime is 1223043012187. The next prime is 1223043012227. The reversal of 1223043012213 is 3122103403221.

It is not a de Polignac number, because 1223043012213 - 2²⁸ = 1222774576757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223043012263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208210038 + ... + 208215911.

It is an arithmetic number, because the mean of its divisors is an integer number (112435006500).

Almost surely, 2^{1223043012213} is an apocalyptic number.

It is an amenable number.

1223043012213 is a deficient number, since it is larger than the sum of its proper divisors (575917091787).

1223043012213 is a wasteful number, since it uses less digits than its factorization.

1223043012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416426052.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1223043012213 its reverse (3122103403221), we get a palindrome (4345146415434).

The spelling of 1223043012213 in words is "one trillion, two hundred twenty-three billion, forty-three million, twelve thousand, two hundred thirteen".