321230112212 has 12 divisors (see below), whose sum is σ = 562162359360. Its totient is φ = 160612295256.

The previous prime is 321230112211. The next prime is 321230112227. The reversal of 321230112212 is 212211032123.

It is a super-2 number, since 2×321230112212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321230112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416348 + ... + 903219.

It is an arithmetic number, because the mean of its divisors is an integer number (46846863280).

Almost surely, 2^321230112212 is an apocalyptic number.

It is an amenable number.

321230112212 is a deficient number, since it is larger than the sum of its proper divisors (240932247148).

321230112212 is a wasteful number, since it uses less digits than its factorization.

321230112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380430 (or 1380428 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 321230112212 its reverse (212211032123), we get a palindrome (533441144335).

The spelling of 321230112212 in words is "three hundred twenty-one billion, two hundred thirty million, one hundred twelve thousand, two hundred twelve".