321012043211442 has 32 divisors (see below), whose sum is σ = 701028371974464. Its totient is φ = 97187701798400.

The previous prime is 321012043211347. The next prime is 321012043211467. The reversal of 321012043211442 is 244112340210123.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2216800359 + ... + 2216945162.

It is an arithmetic number, because the mean of its divisors is an integer number (21907136624202).

Almost surely, 2^{321012043211442} is an apocalyptic number.

321012043211442 is an abundant number, since it is smaller than the sum of its proper divisors (380016328763022).

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

321012043211442 is a wasteful number, since it uses less digits than its factorization.

321012043211442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433746634.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 321012043211442 its reverse (244112340210123), we get a palindrome (565124383421565).

The spelling of 321012043211442 in words is "three hundred twenty-one trillion, twelve billion, forty-three million, two hundred eleven thousand, four hundred forty-two".