321222231042 has 32 divisors (see below), whose sum is σ = 662151430080. Its totient is φ = 103821626880.

The previous prime is 321222231041. The next prime is 321222231091. The reversal of 321222231042 is 240132222123.

It is not an unprimeable number, because it can be changed into a prime (321222231041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3965367 + ... + 4045562.

It is an arithmetic number, because the mean of its divisors is an integer number (20692232190).

Almost surely, 2^321222231042 is an apocalyptic number.

321222231042 is an abundant number, since it is smaller than the sum of its proper divisors (340929199038).

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

321222231042 is a wasteful number, since it uses less digits than its factorization.

321222231042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8011138.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 321222231042 its reverse (240132222123), we get a palindrome (561354453165).

The spelling of 321222231042 in words is "three hundred twenty-one billion, two hundred twenty-two million, two hundred thirty-one thousand, forty-two".