321001112212 has 24 divisors (see below), whose sum is σ = 612943021152. Its totient is φ = 145880378400.

The previous prime is 321001112209. The next prime is 321001112213. The reversal of 321001112212 is 212211100123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321001112213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507463 + ... + 948430.

It is an arithmetic number, because the mean of its divisors is an integer number (25539292548).

Almost surely, 2^321001112212 is an apocalyptic number.

It is an amenable number.

321001112212 is a deficient number, since it is larger than the sum of its proper divisors (291941908940).

321001112212 is a wasteful number, since it uses less digits than its factorization.

321001112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460919 (or 1460917 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 321001112212 its reverse (212211100123), we get a palindrome (533212212335).

It can be divided in two parts, 3210011 and 12212, that added together give a palindrome (3222223).

The spelling of 321001112212 in words is "three hundred twenty-one billion, one million, one hundred twelve thousand, two hundred twelve".