321434443144012 has 96 divisors (see below), whose sum is σ = 650542852673280. Its totient is φ = 137343162808320.

The previous prime is 321434443143943. The next prime is 321434443144033. The reversal of 321434443144012 is 210441344434123.

It is a super-2 number, since 2×321434443144012² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3214198003 + ... + 3214298005.

It is an arithmetic number, because the mean of its divisors is an integer number (6776488048680).

Almost surely, 2^{321434443144012} is an apocalyptic number.

It is an amenable number.

321434443144012 is an abundant number, since it is smaller than the sum of its proper divisors (329108409529268).

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

321434443144012 is a wasteful number, since it uses less digits than its factorization.

321434443144012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105271 (or 105269 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 321434443144012 its reverse (210441344434123), we get a palindrome (531875787578135).

The spelling of 321434443144012 in words is "three hundred twenty-one trillion, four hundred thirty-four billion, four hundred forty-three million, one hundred forty-four thousand, twelve".