1223321231274 has 32 divisors (see below), whose sum is σ = 2473496887680. Its totient is φ = 403307944512.

The previous prime is 1223321231273. The next prime is 1223321231393. The reversal of 1223321231274 is 4721321233221.

It is not an unprimeable number, because it can be changed into a prime (1223321231273) 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, 749289 + ... + 1734380.

It is an arithmetic number, because the mean of its divisors is an integer number (77296777740).

Almost surely, 2^{1223321231274} is an apocalyptic number.

1223321231274 is an abundant number, since it is smaller than the sum of its proper divisors (1250175656406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223321231274 is a wasteful number, since it uses less digits than its factorization.

1223321231274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484574.

The product of its digits is 24192, while the sum is 33.

Adding to 1223321231274 its reverse (4721321233221), we get a palindrome (5944642464495).

The spelling of 1223321231274 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-one million, two hundred thirty-one thousand, two hundred seventy-four".