321223133212 has 12 divisors (see below), whose sum is σ = 562933351960. Its totient is φ = 160385032656.

The previous prime is 321223133177. The next prime is 321223133213. The reversal of 321223133212 is 212331322123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321223133213) 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, 56630298 + ... + 56635969.

Almost surely, 2^321223133212 is an apocalyptic number.

It is an amenable number.

321223133212 is a deficient number, since it is larger than the sum of its proper divisors (241710218748).

321223133212 is a wasteful number, since it uses less digits than its factorization.

321223133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113266980 (or 113266978 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 321223133212 its reverse (212331322123), we get a palindrome (533554455335).

The spelling of 321223133212 in words is "three hundred twenty-one billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred twelve".