321233011212 has 48 divisors (see below), whose sum is σ = 774102389760. Its totient is φ = 103601621952.

The previous prime is 321233011201. The next prime is 321233011237. The reversal of 321233011212 is 212110332123.

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, 1941468 + ... + 2100419.

It is an arithmetic number, because the mean of its divisors is an integer number (16127133120).

Almost surely, 2^321233011212 is an apocalyptic number.

It is an amenable number.

321233011212 is an abundant number, since it is smaller than the sum of its proper divisors (452869378548).

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

321233011212 is a wasteful number, since it uses less digits than its factorization.

321233011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042110 (or 4042108 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 321233011212 its reverse (212110332123), we get a palindrome (533343343335).

The spelling of 321233011212 in words is "three hundred twenty-one billion, two hundred thirty-three million, eleven thousand, two hundred twelve".