321224024234012 has 24 divisors (see below), whose sum is σ = 581528019475200. Its totient is φ = 155073195216576.

The previous prime is 321224024233969. The next prime is 321224024234017. The reversal of 321224024234012 is 210432420422123.

It is a super-2 number, since 2×321224024234012² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321224024234012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321224024234017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35717189 + ... + 43796867.

It is an arithmetic number, because the mean of its divisors is an integer number (24230334144800).

Almost surely, 2^{321224024234012} is an apocalyptic number.

It is an amenable number.

321224024234012 is a deficient number, since it is larger than the sum of its proper divisors (260303995241188).

321224024234012 is a wasteful number, since it uses less digits than its factorization.

321224024234012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8422445 (or 8422443 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 321224024234012 its reverse (210432420422123), we get a palindrome (531656444656135).

The spelling of 321224024234012 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, twenty-four million, two hundred thirty-four thousand, twelve".