12231221323004 has 6 divisors (see below), whose sum is σ = 21404637315264. Its totient is φ = 6115610661500.

The previous prime is 12231221322857. The next prime is 12231221323037. The reversal of 12231221323004 is 40032312213221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1528902665372 + ... + 1528902665379.

It is an arithmetic number, because the mean of its divisors is an integer number (3567439552544).

Almost surely, 2^{12231221323004} is an apocalyptic number.

It is an amenable number.

12231221323004 is a deficient number, since it is larger than the sum of its proper divisors (9173415992260).

12231221323004 is a wasteful number, since it uses less digits than its factorization.

12231221323004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057805330755 (or 3057805330753 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12231221323004 its reverse (40032312213221), we get a palindrome (52263533536225).

The spelling of 12231221323004 in words is "twelve trillion, two hundred thirty-one billion, two hundred twenty-one million, three hundred twenty-three thousand, four".