321231222132122 has 8 divisors (see below), whose sum is σ = 510190764562836. Its totient is φ = 151167633944512.

The previous prime is 321231222132109. The next prime is 321231222132127. The reversal of 321231222132122 is 221231222132123.

It can be written as a sum of positive squares in 2 ways, for example, as 321173746385041 + 57475747081 = 17921321^2 + 239741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (321231222132127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4723988560733 + ... + 4723988560800.

Almost surely, 2^{321231222132122} is an apocalyptic number.

321231222132122 is a deficient number, since it is larger than the sum of its proper divisors (188959542430714).

321231222132122 is a wasteful number, since it uses less digits than its factorization.

321231222132122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447977121552.

The product of its digits is 6912, while the sum is 29.

Adding to 321231222132122 its reverse (221231222132123), we get a palindrome (542462444264245).

Subtracting from 321231222132122 its reverse (221231222132123), we obtain a palindrome (99999999999999).

The spelling of 321231222132122 in words is "three hundred twenty-one trillion, two hundred thirty-one billion, two hundred twenty-two million, one hundred thirty-two thousand, one hundred twenty-two".