321203413322412 has 12 divisors (see below), whose sum is σ = 749474631085656. Its totient is φ = 107067804440800.

The previous prime is 321203413322411. The next prime is 321203413322507. The reversal of 321203413322412 is 214223314302123.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×321203413322412² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321203413322411) 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 3 ways as a sum of consecutive naturals, for example, 13383475555089 + ... + 13383475555112.

It is an arithmetic number, because the mean of its divisors is an integer number (62456219257138).

Almost surely, 2^{321203413322412} is an apocalyptic number.

It is an amenable number.

321203413322412 is an abundant number, since it is smaller than the sum of its proper divisors (428271217763244).

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

321203413322412 is a wasteful number, since it uses less digits than its factorization.

321203413322412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26766951110208 (or 26766951110206 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 321203413322412 its reverse (214223314302123), we get a palindrome (535426727624535).

The spelling of 321203413322412 in words is "three hundred twenty-one trillion, two hundred three billion, four hundred thirteen million, three hundred twenty-two thousand, four hundred twelve".